Works (138)

Updated: July 5th, 2023 16:04

2023 journal article

Error estimates of Fourier finite volume element method for parabolic Dirichlet boundary optimal control problems on complex connected domains

APPLIED NUMERICAL MATHEMATICS, 186, 164โ€“201.

By: W. Liuโ€‰*, T. Zhao*, K. Ito n & Z. Zhangโ€‰*

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Optimal control; Dirichlet boundary control; Complex connected domain; Polar coordinates; Fourier finite volume element method; A priori error estimates
Source: Web Of Science
Added: April 24, 2023

2022 journal article

Least squares formulation for ill-posed inverse problems and applications

APPLICABLE ANALYSIS, 101(15), 5247โ€“5261.

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ Japan ๐Ÿ‡ฏ๐Ÿ‡ต United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Ill-posed inverse problem; least squares formulation; continuous dependency on data
Source: Web Of Science
Added: March 29, 2021

2022 journal article

Least-squares method for recovering multiple medium parameters

INVERSE PROBLEMS, 38(12).

By: K. Ito n, Y. Liang & J. Zou

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: inverse medium problem; multiple parameters; least-squares method; mixed regularization
Source: Web Of Science
Added: November 7, 2022

2021 journal article

A Neural Network-Based Policy Iteration Algorithm with Global H-2-Superlinear Convergence for Stochastic Games on Domains

FOUNDATIONS OF COMPUTATIONAL MATHEMATICS, 21(2), 331โ€“374.

co-author countries: United Kingdom of Great Britain and Northern Ireland ๐Ÿ‡ฌ๐Ÿ‡ง United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Hamilton-Jacobi-Bellman-Isaacs equations; Neural networks; Policy iteration; Inexact semismooth Newton method; Global convergence; q-superlinear convergence
Source: Web Of Science
Added: June 8, 2020

2021 journal article

Semi-decoupling hybrid asymptotic and augmented finite volume method for nonlinear singular interface problems

JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 396.

By: T. Zhao*, K. Ito n & Z. Zhangโ€‰*

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Semi-decoupling; Nonlinear singular problem with interface; Puiseux series; Compact finite volume method; Augmented variable; High order convergence
Source: Web Of Science
Added: June 21, 2021

2020 journal article

A numerical integration-based Kalman filter for moderately nonlinear systems

TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 72(1).

By: S. King*, K. Ito n & D. Hodyss*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: data assimilation; Bayesian filtering; Kalman filtering; numerical integration
Source: Web Of Science
Added: March 8, 2021

2019 journal article

A PARALLEL DOMAIN DECOMPOSITION METHOD FOR THE HELMHOLTZ EQUATION IN LAYERED MEDIA

SIAM JOURNAL ON SCIENTIFIC COMPUTING, 41(5), C505โ€“C521.

By: E. Heikkola, K. Ito* & J. Toivanen*

author keywords: Helmholtz equation; domain decomposition method; preconditioned iterative method; ultrasonic tomography; geological survey
Source: Web Of Science
Added: November 25, 2019

2018 journal article

Variational Gaussian approximation for Poisson data

INVERSE PROBLEMS, 34(2).

By: S. Arridge*, K. Ito n, B. Jinโ€‰* & C. Zhangโ€‰*

co-author countries: United Kingdom of Great Britain and Northern Ireland ๐Ÿ‡ฌ๐Ÿ‡ง United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: variational Gaussian approximation; Poisson data; hierarchical modeling; Kullback-Leibler divergence; alternating direction maximization
Source: Web Of Science
Added: August 6, 2018

2016 journal article

A CONVEX ANALYSIS APPROACH TO OPTIMAL CONTROLS WITH SWITCHING STRUCTURE FOR PARTIAL DIFFERENTIAL EQUATIONS

ESAIM-CONTROL OPTIMISATION AND CALCULUS OF VARIATIONS, 22(2), 581โ€“609.

By: C. Clason*, K. Ito n & K. Kunischโ€‰*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น Germany ๐Ÿ‡ฉ๐Ÿ‡ช United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Optimal control; switching control; partial differential equations; nonsmooth optimization; convexification; semi-smooth Newton method
Source: Web Of Science
Added: August 6, 2018

2016 journal article

A SEQUENTIAL METHOD FOR A CLASS OF STABLE MATHEMATICAL PROGRAMMING PROBLEMS

SIAM JOURNAL ON OPTIMIZATION, 26(2), 1262โ€“1292.

By: K. Ito* & K. Kunisch

author keywords: sequential linearization; optimal bilinear control; mathematical programming; nonsmooth optimization
Source: Web Of Science
Added: August 6, 2018

2016 journal article

ANALYSIS ON A NONNEGATIVE MATRIX FACTORIZATION AND ITS APPLICATIONS

SIAM JOURNAL ON SCIENTIFIC COMPUTING, 38(5), B645โ€“B684.

By: Y. Chow, K. Ito* & J. Zou

author keywords: nonnegative matrix factorization; clustering; feature extraction; multilevel analysis; inverse problems
Source: Web Of Science
Added: August 6, 2018

2016 article

Reduced Order Gaussian Smoothing for Nonlinear Data Assimilation

IFAC PAPERSONLINE, Vol. 49, pp. 199โ€“204.

By: S. King*, W. Kangโ€‰* & K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: State Estimation; Large-Scale Systems; Order Reduction; Smoothing; Filtering
Source: Web Of Science
Added: August 6, 2018

2016 journal article

THE NONNEGATIVE MATRIX FACTORIZATION: REGULARIZATION AND COMPLEXITY

SIAM JOURNAL ON SCIENTIFIC COMPUTING, 38(2), B327โ€“B346.

By: K. Ito* & A. Landi

author keywords: nonnegative matrix factorization; primal-dual active set; regularization; complexity
Source: Web Of Science
Added: August 6, 2018

2015 journal article

DIRECT SAMPLING METHOD FOR DIFFUSIVE OPTICAL TOMOGRAPHY

SIAM JOURNAL ON SCIENTIFIC COMPUTING, 37(4), A1658โ€“A1684.

By: Y. Chow, K. Ito*, K. Liu & J. Zou

author keywords: direct sampling method; diffusive optical tomography
Source: Web Of Science
Added: August 6, 2018

2015 journal article

FINITE DIFFERENCE APPROXIMATIONS FOR MEASURE-VALUED SOLUTIONS OF A HIERARCHICALLY SIZE-STRUCTURED POPULATION MODEL

MATHEMATICAL BIOSCIENCES AND ENGINEERING, 12(2), 233โ€“258.

By: A. Ackleh*, V. Chellamuthu & K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Hierarchically size-structured population model; measure-valued solutions; finite-difference approximations; convergence analysis
MeSH headings : Algorithms; Computer Simulation; Finite Element Analysis; Humans; Models, Statistical; Population Density; Population Dynamics; Time Factors
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Immersed finite elements for optimal control problems of elliptic PDEs with interfaces

JOURNAL OF COMPUTATIONAL PHYSICS, 298, 305โ€“319.

By: Q. Zhangโ€‰*, K. Ito n, Z. Li nโ€‰ & Z. Zhangโ€‰*

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: PDE-constrained optimization; Variational discretization; Immersed finite element; Elliptic interface problem
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

On the sectorial property of the Caputo derivative operator

APPLIED MATHEMATICS LETTERS, 47, 43โ€“46.

By: K. Ito n, B. Jinโ€‰* & T. Takeuchi*

co-author countries: United Kingdom of Great Britain and Northern Ireland ๐Ÿ‡ฌ๐Ÿ‡ง Japan ๐Ÿ‡ฏ๐Ÿ‡ต United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Caputo fractional derivative; Sectorial property
Source: Web Of Science
Added: August 6, 2018

2015 conference paper

The nonnegative matrix factorization and atomic deconvolution

Proceedings 2015 ieee international conference on bioinformatics and biomedicine, 1650โ€“1657.

By: K. Ito n & A. Landiโ€‰ n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2014 journal article

A Note on the Existence of Nonsmooth Nonconvex Optimization Problems

JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS, 163(3), 697โ€“706.

By: K. Ito n & K. Kunischโ€‰*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Nonsmooth; Nonconvex optimization; Coerciveness
Source: Web Of Science
Added: August 6, 2018

2014 journal article

A direct sampling method for electrical impedance tomography

INVERSE PROBLEMS, 30(9).

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: electrical impedance tomography; limited data; inhomogeneous inclusions; probing function; indicator function; reconstruction algorithm
Source: Web Of Science
Added: August 6, 2018

2014 journal article

A variational approach to sparsity optimization based on Lagrange multiplier theory

INVERSE PROBLEMS, 30(1).

By: K. Ito n & K. Kunischโ€‰*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Immersed Interface CIP for One Dimensional Hyperbolic Equations

COMMUNICATIONS IN COMPUTATIONAL PHYSICS, 16(1), 96โ€“114.

By: K. Ito n & T. Takeuchi*

co-author countries: Japan ๐Ÿ‡ฏ๐Ÿ‡ต United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: CIP method; immersed interface method; hyperbolic equations in discontinuous media
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Multi-parameter Tikhonov regularization - An augmented approach

CHINESE ANNALS OF MATHEMATICS SERIES B, 35(3), 383โ€“398.

By: K. Ito n, B. Jinโ€‰* & T. Takeuchi*

co-author countries: Japan ๐Ÿ‡ฏ๐Ÿ‡ต United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Multi-parameter regularization; Augmented Tikhonov regularization; Balanced discrepancy principle
Source: Web Of Science
Added: August 6, 2018

2014 journal article

OPTIMAL CONTROL WITH L-p(Omega), p epsilon [0,1), CONTROL COST

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 52(2), 1251โ€“1275.

By: K. Ito* & K. Kunisch

author keywords: L-0 minimization; optimal control; bang-bang control; sparsity optimization; maximum principle; nonsmooth optimization; primal-dual active set method
Source: Web Of Science
Added: August 6, 2018

2013 journal article

A direct sampling method for inverse electromagnetic medium scattering

INVERSE PROBLEMS, 29(9).

By: K. Ito n, B. Jinโ€‰* & J. Zouโ€‰*

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2013 journal article

A two-stage method for inverse medium scattering

JOURNAL OF COMPUTATIONAL PHYSICS, 237, 211โ€“223.

By: K. Ito*, B. Jin & J. Zou

author keywords: Inverse medium scattering problem; Reconstruction algorithm; Direct sampling method; Mixed regularization; Semi-smooth Newton method
Source: Web Of Science
Added: August 6, 2018

2013 journal article

Optimal control laws for traffic flow

APPLIED MATHEMATICS LETTERS, 26(6), 617โ€“623.

By: K. Aiharaโ€‰*, K. Ito n, J. Nakagawa* & T. Takeuchi*

co-author countries: Japan ๐Ÿ‡ฏ๐Ÿ‡ต United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Traffic signal control; Binary optimization; Lyapunov method; Real time optimal control
Source: Web Of Science
Added: August 6, 2018

2013 journal article

Recovery of inclusions in 2D and 3D domains for Poisson's equation

INVERSE PROBLEMS, 29(7).

By: K. Ito n & J. Liu*

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2012 journal article

A MINIMUM EFFORT OPTIMAL CONTROL PROBLEM FOR ELLIPTIC PDES

ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 46(4), 911โ€“927.

By: C. Clason*, K. Ito n & K. Kunischโ€‰*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Optimal control; minimum effort; L-infinity control cost; semi-smooth Newton method
Source: Web Of Science
Added: August 6, 2018

2012 journal article

A direct sampling method to an inverse medium scattering problem

INVERSE PROBLEMS, 28(2).

By: K. Ito n, B. Jinโ€‰* & J. Zouโ€‰*

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2012 journal article

The Sensitivity Analysis for the Flow Past Obstacles Problem with Respect to the Reynolds Number

ADVANCES IN APPLIED MATHEMATICS AND MECHANICS, 4(1), 21โ€“35.

By: K. Ito n, Z. Li nโ€‰ & Z. Qiaoโ€‰*

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Navier-Stokes equations; sensitivity analysis; flow past cylinder; embedding technique; immersed interface method; irregular domain; augmented system; projection method; fluid-solid interaction
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

A REGULARIZATION PARAMETER FOR NONSMOOTH TIKHONOV REGULARIZATION

SIAM JOURNAL ON SCIENTIFIC COMPUTING, 33(3), 1415โ€“1438.

By: K. Ito*, B. Jin & T. Takeuchi

author keywords: regularization parameter; nonsmooth functional; value function; error estimate
Source: Web Of Science
Added: August 6, 2018

2011 journal article

A new approach to nonlinear constrained Tikhonov regularization

INVERSE PROBLEMS, 27(10).

By: K. Ito n & B. Jinโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2011 journal article

A new choice rule for regularization parameters in Tikhonov regularization

APPLICABLE ANALYSIS, 90(10), 1521โ€“1544.

By: K. Ito n, B. Jinโ€‰* & J. Zouโ€‰*

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: parameter choice; a posteriori error estimate; Tikhonov regularization
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Dynamic evasion-interrogation games with uncertainty in the context of electromagetics

Numerical Mathematics: Theory, Methods and Applications, 4(3), 359โ€“378.

By: H. Banks, S. Hu, K. Ito & S. Muccio

Source: NC State University Libraries
Added: August 6, 2018

2011 journal article

KARUSH-KUHN-TUCKER CONDITIONS FOR NONSMOOTH MATHEMATICAL PROGRAMMING PROBLEMS IN FUNCTION SPACES

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 49(5), 2133โ€“2154.

By: K. Ito* & K. Kunisch*

author keywords: KKT conditions; nonsmooth optimization; necessary optimality
Source: Web Of Science
Added: August 6, 2018

2011 journal article

MINIMAL EFFORT PROBLEMS AND THEIR TREATMENT BY SEMISMOOTH NEWTON METHODS

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 49(5), 2083โ€“2100.

By: K. Ito* & K. Kunisch*

author keywords: minimum effort control; Lagrange multiplier theory; semismooth Newton method
Source: Web Of Science
Added: August 6, 2018

2011 journal article

MINIMAL INVASION: AN OPTIMAL L-infinity STATE CONSTRAINT PROBLEM

ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 45(3), 505โ€“522.

By: C. Clason*, K. Ito n & K. Kunischโ€‰*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Optimal control; optimal L-infinity state constraint; semi-smooth Newton method
Source: Web Of Science
Added: August 6, 2018

2010 journal article

APPROXIMATE NULLSPACE ITERATIONS FOR KKT SYSTEMS

SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 31(4), 1835โ€“1847.

By: K. Ito*, K. Kunisch, V. Schulz & I. Gherman

author keywords: KKT systems; iterative solvers; optimization
Source: Web Of Science
Added: August 6, 2018

2010 journal article

Optimal control of parabolic variational inequalities

JOURNAL DE MATHEMATIQUES PURES ET APPLIQUEES, 93(4), 329โ€“360.

By: K. Ito n & K. Kunisch*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Variational inequalities; Strong solutions; Weak solutions; Unbounded domain; Difference schemes; Optimal control
Source: Web Of Science
Added: August 6, 2018

2010 journal article

SEMISMOOTH NEWTON METHODS FOR TIME-OPTIMAL CONTROL FOR A CLASS OF ODES

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 48(6), 3997โ€“4013.

By: K. Ito* & K. Kunisch

author keywords: semismooth Newton method; time-optimal control
Source: Web Of Science
Added: August 6, 2018

2009 journal article

A well-conditioned augmented system for solving Navier-Stokes equations in irregular domains

JOURNAL OF COMPUTATIONAL PHYSICS, 228(7), 2616โ€“2628.

By: K. Ito n, M. Lai* & Z. Li nโ€‰

co-author countries: Taiwan, Province of China ๐Ÿ‡น๐Ÿ‡ผ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Navier-Stokes equations; Embedding technique; Immersed interface method; Irregular domain; Augmented system; Projection method; Level set representation
Sources: Web Of Science, ORCID
Added: August 6, 2018

2009 journal article

ASYMPTOTIC PROPERTIES OF FEEDBACK SOLUTIONS FOR A CLASS OF QUANTUM CONTROL PROBLEMS

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 48(4), 2323โ€“2343.

By: K. Ito* & K. Kunisch

author keywords: feedback control; asymptotic tracking; Schrodinger equations
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Adaptive techniques for the MRAC, adaptive parameter identification, and on-line fault monitoring and accommodation for a class of positive real infinite dimensional systems

INTERNATIONAL JOURNAL OF ADAPTIVE CONTROL AND SIGNAL PROCESSING, 23(2), 193โ€“215.

By: M. Demetriouโ€‰*, K. Ito n & R. Smith nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: positive real; structured perturbations; infinite dimensional systems; adaptive observers; MRAC; fault detection and accommodation
Sources: Web Of Science, ORCID
Added: August 6, 2018

2009 journal article

LAGRANGE MULTIPLIER APPROACH WITH OPTIMIZED FINITE DIFFERENCE STENCILS FOR PRICING AMERICAN OPTIONS UNDER STOCHASTIC VOLATILITY

SIAM JOURNAL ON SCIENTIFIC COMPUTING, 31(4), 2646โ€“2664.

By: K. Ito* & J. Toivanen*

author keywords: American option pricing; stochastic volatility model; linear complementarity problem; finite difference method; quadratic programming; multigrid method; Lagrange method; penalty method
Source: Web Of Science
Added: August 6, 2018

2009 journal article

On a semi-smooth Newton method and its globalization

MATHEMATICAL PROGRAMMING, 118(2), 347โ€“370.

By: K. Ito n & K. Kunischโ€‰*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2009 journal article

On the shape derivative for problems of Bernoulli type

Interfaces and Free Boundaries, 11(2), 317โ€“330.

By: J. Haslinger*, K. Ito*, T. Kozubek, K. Kunisch & G. Peichl

co-author countries: Czechia ๐Ÿ‡จ๐Ÿ‡ฟ
Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

A domain decomposition solver for acoustic scattering by elastic objects in layered media

JOURNAL OF COMPUTATIONAL PHYSICS, 227(19), 8685โ€“8698.

By: K. Ito n, Z. Qiao n & J. Toivanen n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: fast Helmholtz solver; scattering from elastic targets; domain decomposition preconditioner
Source: Web Of Science
Added: August 6, 2018

2008 conference paper

A finite element method for interface problems with locally modified triangulations

Moving interface problems and applications in fluid dynamics, 466, 179โ€“190.

By: H. Xie*, K. Ito*, Z. Li*โ€‰ & J. Toivanen

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2008 journal article

A high order compact MAC finite difference scheme for the Stokes equations: Augmented variable approach

Journal of Computational Physics, 227(17), 8177โ€“8190.

By: K. Ito n & Z. Qiao n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Stokes equations; compact fourth order MAC finite difference scheme; staggered grid
Sources: Crossref, Web Of Science
Added: August 6, 2018

2008 conference paper

A high order finite difference scheme for the Stokes equations

Moving interface problems and applications in fluid dynamics, 466, 35โ€“51.

By: K. Ito* & Z. Qiao*

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

REDUCED-ORDER OPTIMAL CONTROL BASED ON APPROXIMATE INERTIAL MANIFOLDS FOR NONLINEAR DYNAMICAL SYSTEMS

SIAM JOURNAL ON NUMERICAL ANALYSIS, 46(6), 2867โ€“2891.

By: K. Ito* & K. Kunisch

author keywords: reduced-order methods; approximate inertial manifold; nonlinear Galerkin; decomposition of state space; infinite dimensional system
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Semi-smooth Newton methods for the Signorini problem

APPLICATIONS OF MATHEMATICS, 53(5), 455โ€“468.

By: K. Ito n & K. Kunisch*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Signorini problem; variational inequality; semi-smooth Newton method; primal-dual active set strategy
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Variational approach to shape derivatives

ESAIM-CONTROL OPTIMISATION AND CALCULUS OF VARIATIONS, 14(3), 517โ€“539.

By: K. Ito n, K. Kunischโ€‰* & G. Peichl*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: shape derivative
Source: Web Of Science
Added: August 6, 2018

2007 article

A fast iterative solver for scattering by elastic objects in layered media

APPLIED NUMERICAL MATHEMATICS, Vol. 57, pp. 811โ€“820.

By: K. Ito n & J. Toivanen n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Adaptive monitoring and accommodation of nonlinear actuator faults in positive real infinite dimensional systems

IEEE TRANSACTIONS ON AUTOMATIC CONTROL, 52(12), 2332โ€“2338.

By: M. Demetriouโ€‰*, K. Ito n & R. Smith nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: actuator faults; distributed parameter systems; fault accommodation; nonlinear actuator dynamics
Sources: Web Of Science, ORCID
Added: August 6, 2018

2007 journal article

An augmented approach for Stokes equations with a discontinuous viscosity and singular forces

COMPUTERS & FLUIDS, 36(3), 622โ€“635.

By: Z. Li nโ€‰, K. Ito n & M. Lai*

co-author countries: Taiwan, Province of China ๐Ÿ‡น๐Ÿ‡ผ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, ORCID
Added: August 6, 2018

2007 journal article

An immersed interface method for the Navier-Stokes equations on irregular domains

PAMM, 7(1), 1025401โ€“1025402.

By: Z. Li nโ€‰, M. Lai* & K. Ito n

co-author countries: Taiwan, Province of China ๐Ÿ‡น๐Ÿ‡ผ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Crossref, ORCID
Added: February 24, 2020

2007 journal article

Convergence of the primal-dual active set strategy for diagonally dominant systems

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 46(1), 14โ€“34.

By: K. Ito* & K. Kunisch

author keywords: primal-dual active set strategy; diagonally dominant systems; bilateral constraints; globalization
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Optimal bilinear control of an abstract Schrodinger equation

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 46(1), 274โ€“287.

By: K. Ito* & K. Kunisch

author keywords: Schrodinger equation; C(0)-groups; optimal control; optimality systems; monotone scheme
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Optimal control of obstacle problems by H-1-obstacles

APPLIED MATHEMATICS AND OPTIMIZATION, 56(1), 1โ€“17.

By: K. Ito n & K. Kunisch*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: control of variational inequalities; optimality system; Moreau-Yosida approximation
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Shape derivatives without taking the shape derivative

PAMM, 7(1), 1061005โ€“1061006.

By: K. Ito*, K. Kunischโ€‰* & G. Peichl*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น
Source: Crossref
Added: February 24, 2020

2006 journal article

A homogenization model for laser beam-induced current imaging and detection of non-uniformities in semiconductor arrays

JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 194(2), 395โ€“408.

By: W. Fangโ€‰*, K. Ito n & D. Redfern*

co-author countries: Australia ๐Ÿ‡ฆ๐Ÿ‡บ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: semiconductor arrays; laser beam-induced current; LBIC; homogenization; inverse problems
Source: Web Of Science
Added: August 6, 2018

2006 journal article

A structured erythropoiesis model with nonlinear cell maturation velocity and hormone decay rate

MATHEMATICAL BIOSCIENCES, 204(1), 21โ€“48.

By: A. Ackleh*, K. Deng*, K. Ito n & J. Thibodeaux*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: erythropoiesis; structured model; finite difference approximation; existence-uniqueness; behavior of solutions
MeSH headings : Cell Differentiation / physiology; Computer Simulation; Erythroid Precursor Cells / physiology; Erythropoiesis / physiology; Erythropoietin / physiology; Humans; Models, Biological
Source: Web Of Science
Added: August 6, 2018

2006 journal article

An augmented approach for the pressure boundary condition in a Stokes flow

Communications in Computational Physics, 1(5), 874โ€“885.

By: Z. Liโ€‰, X. Wan, K. Ito & S. Lubkinโ€‰

Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

Determination of interrogating frequencies to maximize electromagnetic backscatter from objects with material coatings

Communications in Computational Physics, 1(2), 362โ€“382.

By: H. Banks, K. Ito & J. Toivanen

Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

Interface conditions for Stokes equations with a discontinuous viscosity and surface sources

APPLIED MATHEMATICS LETTERS, 19(3), 229โ€“234.

By: K. Ito n & Z. Li nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: incompressible Stokes equations; interface; discontinuous viscosity; interface conditions; singular sources
Sources: Web Of Science, ORCID
Added: August 6, 2018

2006 journal article

Material surface design to counter electromagnetic interrogation of targets

SIAM JOURNAL ON APPLIED MATHEMATICS, 66(3), 1027โ€“1049.

By: H. Banks*, K. Ito*, G. Kepler* & J. Toivanen*

author keywords: electromagnetic; inverse scattering; attenuation
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Parabolic variational inequalities: The Lagrange multiplier approach

JOURNAL DE MATHEMATIQUES PURES ET APPLIQUEES, 85(3), 415โ€“449.

By: K. Ito n & K. Kunischโ€‰*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: parabolic variational inequalities; Lagrange multipliers; feasible and unfeasible regularization; Black-Scholes
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Preconditioned iterative methods on sparse subspaces

APPLIED MATHEMATICS LETTERS, 19(11), 1191โ€“1197.

By: K. Ito n & J. Toivanen n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: subspace iteration; preconditioning; Krylov subspace method; domain decomposition method; fictitious domain method; interface problem
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Receding horizon control with incomplete observations

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 45(1), 207โ€“225.

By: K. Ito* & K. Kunisch

author keywords: receding horizon control; incomplete observations; dynamic compensator
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Reduced order control based on approximate inertial manifolds

LINEAR ALGEBRA AND ITS APPLICATIONS, 415(2-3), 531โ€“541.

By: K. Ito n & K. Kunischโ€‰*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: reduced order method; approximate inertial manifold; LQR-problern; decomposition of state space; infinite-dimensional system
Source: Web Of Science
Added: August 6, 2018

2006 book

The immersed interface method: Numerical solutions of PDEs involving interfaces and irregular domains

By: Z. Li*โ€‰ & K. Ito*

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2006 journal article

Variational approach to shape derivatives for a class of Bernoulli problems

JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 314(1), 126โ€“149.

By: K. Ito n, K. Kunischโ€‰* & G. Peichl*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: shape derivative; Bernoulli problem; level set
Source: Web Of Science
Added: August 6, 2018

2005 journal article

A method for determination of optimal gaits with application to a snake-like serial-link structure

IEEE TRANSACTIONS ON AUTOMATIC CONTROL, 50(9), 1291โ€“1306.

By: G. Hicks* & K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: locomotion; optimal gaits; numerical optimal control; reduction
Source: Web Of Science
Added: August 6, 2018

2005 journal article

An optimal optical flow

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 44(2), 728โ€“742.

By: K. Ito*

author keywords: optical flow; feedback solution
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Higher-order, Cartesian grid based finite difference schemes for elliptic equations on irregular domains

SIAM JOURNAL ON SCIENTIFIC COMPUTING, 27(1), 346โ€“367.

By: K. Ito n, Z. Li*โ€‰ & Y. Kyei

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: fourth order finite difference schemes; elliptic and parabolic equations on irregular domains; immersed interface method
Sources: Web Of Science, ORCID
Added: August 6, 2018

2005 journal article

Investigation of laser beam-induced current techniques for heterojunction photodiode characterization

JOURNAL OF APPLIED PHYSICS, 98(3).

By: D. Redfern*, W. Fangโ€‰*, K. Ito n, G. Bahir*, C. Musca*, J. Dellโ€‰*, L. Faraoneโ€‰*

co-author countries: Australia ๐Ÿ‡ฆ๐Ÿ‡บ Israel ๐Ÿ‡ฎ๐Ÿ‡ฑ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Measure-valued solutions for a hierarchically size-structured population

JOURNAL OF DIFFERENTIAL EQUATIONS, 217(2), 431โ€“455.

By: A. Ackleh* & K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: hierarchical size-structured population model; measure-valued solutions; viscosity method; growth rate with an Allee effect
Source: Web Of Science
Added: August 6, 2018

2004 journal article

LBIC imaging of semiconductor arrays: The cross-sectional model

MATHEMATICAL AND COMPUTER MODELLING, 40(1-2), 127โ€“136.

By: W. Fangโ€‰*, K. Ito n & D. Redfern*

co-author countries: Australia ๐Ÿ‡ฆ๐Ÿ‡บ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: homogenization; LBIC; semiconductor arrays; inverse problem; parameter identification
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Low temperature saturation of p-n junction laser beam induced current signals

SOLID-STATE ELECTRONICS, 48(3), 409โ€“414.

By: D. Redfern*, W. Fangโ€‰*, K. Ito n, C. Musca*, J. Dellโ€‰* & L. Faraoneโ€‰*

co-author countries: Australia ๐Ÿ‡ฆ๐Ÿ‡บ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: laser beam induced current; LBIC; photodiode; non-destructive characterisation; temperature dependence
Source: Web Of Science
Added: August 6, 2018

2004 article

Reconstruction of magnetic charge densities using regularization of bounded variations under noisy observations

INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS, Vol. 19, pp. 309โ€“313.

By: F. Kojimaโ€‰* & K. Ito n

co-author countries: Japan ๐Ÿ‡ฏ๐Ÿ‡ต United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: inverse problem; regularization; fast fourier transform
Source: Web Of Science
Added: August 6, 2018

2004 journal article

The primal-dual active set method for nonlinear optimal control problems with bilateral constraints

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 43(1), 357โ€“376.

By: K. Ito* & K. Kunisch*

author keywords: primal-dual active set method; semismooth Newton method; optimal control; bilateral constraints
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Acoustic attenuation employing variable wall admittance

Directions in Mathematical Systems Theory and Optimization (Lecture Notes in Control and Information Sciences; 286), (2003), 15โ€“26.

By: H. Banks, K. Furati, K. Ito, N. Luke & C. Smith

Ed(s): C. A. Rantzer

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Identification of contact regions in semiconductor transistors by level-set methods

JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 159(2), 399โ€“410.

By: W. Fangโ€‰* & K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: inverse problem; level-set methods; semiconductor
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Semi-smooth Newton methods for state-constrained optimal control problems

SYSTEMS & CONTROL LETTERS, 50(3), 221โ€“228.

By: K. Ito n & K. Kunisch*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: semi-smooth Newton methods; state-constrained optimal control; superlinear convergence; augmented Lagrangians
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Semi-smooth Newton methods for variational inequalities of the first kind

ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 37(1), 41โ€“62.

By: K. Ito n & K. Kunisch

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: semi-smooth Newton methods; contact problems; variational inequalities; bilateral constraints; superlinear convergence
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Solving a nonlinear problem in magneto-rheological fluids using the immersed interface method

JOURNAL OF SCIENTIFIC COMPUTING, 19(1-3), 253โ€“266.

By: K. Ito n & Z. Li nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: non-linear interface problem; magneto-rheological fluid; maximum principal preserving scheme; immersed interface method; level set method; substitution method
Sources: Web Of Science, ORCID
Added: August 6, 2018

2003 journal article

The primal-dual active set strategy as a semismooth Newton method

SIAM JOURNAL ON OPTIMIZATION, 13(3), 865โ€“888.

By: M. Hintermuller, K. Ito* & K. Kunisch

author keywords: complementarity problems; function spaces; semismooth Newton method
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Three-dimensional elliptic solvers for interface problems and applications

JOURNAL OF COMPUTATIONAL PHYSICS, 184(1), 215โ€“243.

By: S. Dengโ€‰*, K. Ito n & Z. Li nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: 3D elliptic interface problem; irregular domain; discontinuous coefficient; discrete maximum preserving scheme; quadratic optimization; algebraic multigrid; shape identification; level set method
Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

A computational model for sound field absorption by acoustic arrays

Journal of Intelligent Material Systems and Structures, 13(4), 231โ€“240.

By: H. Banks, D. Cole, K. Furati, K. Ito & G. Pinter

Source: NC State University Libraries
Added: August 6, 2018

2002 article

An optimal control approach to optical flow computation

Borzi, A., Ito, K., & Kunisch, K. (2002, September 10). INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, Vol. 40, pp. 231โ€“240.

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: optical flow; optimal control
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Asymptotic properties of receding horizon optimal control problems

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 40(5), 1585โ€“1610.

By: K. Ito* & K. Kunisch

author keywords: receding horizon control; model prediction control; control Liapunov function; stabilizability; Liapunov equation
Source: Web Of Science
Added: August 6, 2018

2002 book

Evolution equations and approximations

By: K. Ito n & F. Kappel*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Nonhomogeneous initial-boundary value problems for nonlinear diffusion-convection equations

NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 48(2), 303โ€“322.

By: W. Fangโ€‰* & K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: nonlinear diffusion-convection equations; nonhomogeneous Dirichlet boundary conditions; weak solutions; absorbing sets; attractors
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Optimal control formulation for determining optical flow

SIAM JOURNAL ON SCIENTIFIC COMPUTING, 24(3), 818โ€“847.

By: A. Borzi, K. Ito* & K. Kunisch

author keywords: optical flow; optimal control; system of hyperbolic and elliptic partial differential equations; TVD scheme; multigrid method
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Optimal control of the solid fuel ignition model with H-1-cost

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 40(5), 1455โ€“1472.

By: K. Ito n & K. Kunisch

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: optimal control; control of exponential nonlinearity; explosion phenomena; optimality conditions
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Parameter identification for semiconductor diodes by LBIC imaging

SIAM JOURNAL ON APPLIED MATHEMATICS, 62(6), 2149โ€“2174.

By: W. Fang, K. Ito* & D. Redfern

author keywords: semiconductor diodes; LBIC; drift-diffusion; parameter identification; inverse problems; elliptic partial differential equations/systems; discontinuous coefficients
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Receding horizon optimal control for infinite dimensional systems

ESAIM-CONTROL OPTIMISATION AND CALCULUS OF VARIATIONS, 8, 741โ€“760.

By: K. Ito n & K. Kunischโ€‰*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: receding horizon control; control Lyapunov function; Lyapunov equations; closed loop dissipative; minimum value function; Navier-Stokes equations
Source: Web Of Science
Added: August 6, 2018

2001 journal article

An electrochemistry model with nonlinear diffusion: steady-state solutions

IMA JOURNAL OF APPLIED MATHEMATICS, 66(2), 195โ€“213.

By: W. Fang & K. Ito*

author keywords: electrochemistry; integro-differential equations; nonlinear diffusion
Source: Web Of Science
Added: August 6, 2018

2001 article

Dynamic simulation of the temporal response of microstructure formation in magnetorheological fluids

Ly, H. V., Ito, K., Banks, H. T., Jolly, M. R., & Reitich, F. (2001, March 20). INTERNATIONAL JOURNAL OF MODERN PHYSICS B, Vol. 15, pp. 894โ€“903.

By: H. Ly n, K. Ito n, H. Banks n, M. Jolly* & F. Reitich*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Existence and uniqueness of steady-state solutions for an electrochemistry model

PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, 129(4), 1037โ€“1040.

By: W. Fangโ€‰ n & K. Ito*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: electrochemistry; integro-differential equations
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Existence of solutions to the Hamilton-Jacobi-Bellman equation under quadratic growth conditions

JOURNAL OF DIFFERENTIAL EQUATIONS, 176(1), 1โ€“28.

By: K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Existence of stationary solutions to an energy drift-diffusion model for semiconductor devices

MATHEMATICAL MODELS & METHODS IN APPLIED SCIENCES, 11(5), 827โ€“840.

By: W. Fangโ€‰* & K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Identification of some source densities of the distribution type

JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 132(2), 295โ€“308.

By: K. Ito n & J. Zouโ€‰*

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Level-set function approach to an inverse interface problem

INVERSE PROBLEMS, 17(5), 1225โ€“1242.

By: K. Ito n, K. Kunischโ€‰* & Z. Li nโ€‰

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, ORCID
Added: August 6, 2018

2001 journal article

Maximum principle preserving schemes for interface problems with discontinuous coefficients

SIAM JOURNAL ON SCIENTIFIC COMPUTING, 23(1), 339โ€“361.

By: Z. Li*โ€‰ & K. Ito*

author keywords: elliptic interface problems; finite difference methods; discontinuous coefficients; singular source term; discrete maximum principle; quadratic optimization; multigrid methods
Sources: Web Of Science, ORCID
Added: August 6, 2018

2001 journal article

Nonlinear exothermic contributions to radio-frequency bonding of adhesives

NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS, 2(3), 357โ€“386.

By: H. Banks n, M. Choi n, . Durso* & K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: radio-frequency electromagnetic bonding; nonlinear thermal processes; operator splitting; existence and uniqueness
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Reduced basis method for optimal control of unsteady viscous flows

INTERNATIONAL JOURNAL OF COMPUTATIONAL FLUID DYNAMICS, 15(2), 97โ€“113.

By: K. Ito n & S. Ravindran n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: reduced order models; optimal control; unsteady viscous flows
Source: Web Of Science
Added: August 6, 2018

2001 article

Reduced order feedback synthesis for viscous incompressible flows

MATHEMATICAL AND COMPUTER MODELLING, Vol. 33, pp. 173โ€“192.

By: K. Ito n & J. Schroeter n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: flow control; compensator design; Navier-Stokes equations; reduced basis method; finite element method
Source: Web Of Science
Added: August 6, 2018

2001 article

The effective magnetic properties of magnetorheological fluids

MATHEMATICAL AND COMPUTER MODELLING, Vol. 33, pp. 273โ€“284.

By: T. Simon n, F. Reitich*, M. Jolly*, K. Ito n & H. Banks n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: magnetorheological fluids; homogenization; effective properties
Source: Web Of Science
Added: August 6, 2018

2000 journal article

An approximation theory or strongly stabilizing solutions to the operator LQ Riccati equation

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 38(6), 1909โ€“1937.

By: J. Oostveen, R. Curtain & K. Ito*

author keywords: linear quadratic control problem; algebraic Riccati equation on Hilbert space; dissipative systems; collocated actuators and sensors
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Approximation of the Kushner equation for nonlinear filtering

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 38(3), 893โ€“915.

By: K. Ito n & B. Rozovskii*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Kushner equation; operator-splitting method
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Augmented Lagrangian methods for nonsmooth, convex optimization in Hilbert spaces

NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 41(5-6), 591โ€“616.

By: K. Ito n & K. Kunisch

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: optimality conditions for nonsmooth optimization problems; augmented Lagrangian techniques; bingham flow; image restoration; friction problem; optimal control
Source: Web Of Science
Added: August 6, 2018

2000 journal article

BV-type regularization methods for convoluted objects with edge, flat and grey scales

INVERSE PROBLEMS, 16(4), 909โ€“928.

By: K. Ito* & K. Kunisch

Source: Web Of Science
Added: August 6, 2018

2000 journal article

Gaussian filters for nonlinear filtering problems

IEEE TRANSACTIONS ON AUTOMATIC CONTROL, 45(5), 910โ€“927.

By: K. Ito n & K. Xiong n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Newton's method for class of weakly singular optimal control problems

SIAM JOURNAL ON OPTIMIZATION, 10(3), 896โ€“916.

By: K. Ito* & K. Kunisch

author keywords: Newton's method; optimal control; singular systems; 2-norm technique
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Optimal control of elliptic variational inequalities

APPLIED MATHEMATICS AND OPTIMIZATION, 41(3), 343โ€“364.

By: K. Ito n & K. Kunischโ€‰*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: optimal control; variational inequalities; augmented Lagrangians; Lagrange multipliers; active set methods; strict complementarity
Source: Web Of Science
Added: August 6, 2018

2000 article

Real-time thickness and compositional control of Ga1-xInxP growth using p-polarized reflectance

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, Vol. 18, pp. 1190โ€“1195.

By: V. Woods n, N. Dietz n, K. Ito n & I. Lauko n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Weak solutions for diffusion-convection equations

APPLIED MATHEMATICS LETTERS, 13(3), 69โ€“75.

By: W. Fangโ€‰* & K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: diffusion-convection equations; L-infinity bounds of weak solutions
Source: Web Of Science
Added: August 6, 2018

1999 journal article

A high-order perturbation approach to profile reconstruction: I. Perfectly conducting gratings

INVERSE PROBLEMS, 15(4), 1067โ€“1085.

By: K. Ito n & F. Reitich n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

1999 journal article

An active set strategy based on the augmented Lagrangian formulation for image restoration

RAIRO. Mathematical Modelling and Numerical Analysis, 33(1), 1โ€“21.

By: K. Ito n & K. Kunisch

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Estimation of the effective permeability in magnetorheological fluids

JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES, 10(11), 872โ€“879.

By: T. Simon, K. Ito*, H. Banks n, F. Reitich* & M. Jolly*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Primal-dual strategy for constrained optimal control problems

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 37(4), 1176โ€“1194.

By: M. Bergounioux, K. Ito* & K. Kunisch

author keywords: active set; augmented Lagrangian; primal-dual method; optimal control
Source: Web Of Science
Added: August 6, 2018

1999 article

Real-time optical control of Ga1-xInxP film growth by p-polarized reflectance

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A, Vol. 17, pp. 1300โ€“1306.

By: N. Dietz n, V. Woods n, K. Ito n & I. Lauko n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Simulations of particle dynamics in magnetorheological fluids

JOURNAL OF COMPUTATIONAL PHYSICS, 155(1), 160โ€“177.

By: H. Ly n, E. Reitich*, M. Jolly*, H. Banks n & K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: particle dynamics; fast multipole method; MR fluids; effective permeability; response time scale
Source: Web Of Science
Added: August 6, 2018

1998 journal article

A reduced-order method for simulation and control of fluid flows

JOURNAL OF COMPUTATIONAL PHYSICS, 143(2), 403โ€“425.

By: K. Ito* & S. Ravindran*

author keywords: reduced-basis method; reduced-order modeling; Navier-Stokes equations; finite element; optimal control
Source: Web Of Science
Added: August 6, 2018

1998 journal article

An approximation theory of solutions to operator Riccati equations for H(infinity) control

SIAM JOURNAL ON CONTROL AND OPTIMIZATION, 36(1), 82โ€“99.

By: K. Ito* & K. Morris

author keywords: H(infinity); approximations; partial differential equation; optimal control; infinite dimensional
Source: Web Of Science
Added: August 6, 2018

1998 journal article

Optimal control of thermally convected fluid flows

SIAM JOURNAL ON SCIENTIFIC COMPUTING, 19(6), 1847โ€“1869.

By: K. Ito* & S. Ravindran*

author keywords: flow control; temperature control; optimization; Navier-Stokes equations; finite element methods
Source: Web Of Science
Added: August 6, 2018

1998 journal article

Real-time monitoring of steady-state pulsed chemical beam epitaxy by p-polarized reflectance

JOURNAL OF CRYSTAL GROWTH, 183(3), 323โ€“337.

By: K. Bachmann n, N. Sukidi n, C. Hopfner n, C. Harris n, N. Dietz n, H. Tran nโ€‰, S. Beeler n, K. Ito n, H. Banks n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: p-polarized reflectance; surface kinetics; chemical beam epitaxy; real-time process monitoring
Sources: Web Of Science, ORCID
Added: August 6, 2018

1998 article

Real-time optical characterization of GaP heterostructures by p-polarized reflectance

Dietz, N., & Ito, K. (1998, February). THIN SOLID FILMS, Vol. 313, pp. 614โ€“619.

By: N. Dietz n & K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: p-polarized reflectance spectroscopy; pulsed chemical beam epitaxy; reduced order kinetic model
Source: Web Of Science
Added: August 6, 2018

1998 journal article

The Trotter-Kato theorem and approximation of PDEs

MATHEMATICS OF COMPUTATION, 67(221), 21โ€“44.

By: K. Ito n & F. Kappel*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: semigroups of transformations; Trotter-Kato-theorems; numerical approximation of linear evolutionary equations
Source: Web Of Science
Added: August 6, 2018

1998 journal article

Viscous scalar conservation law with nonlinear flux feedback and global attractors

JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 227(1), 271โ€“299.

By: K. Ito n & Y. Yan*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: viscous scalar conservation law; nonlinear boundary feedback; L-infinity estimates; absorbing sets; global attractors
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Estimation of the convection coefficient in elliptic equations

INVERSE PROBLEMS, 13(4), 995โ€“1013.

By: K. Ito n & K. Kunischโ€‰*

co-author countries: Austria ๐Ÿ‡ฆ๐Ÿ‡น United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Molecular layer epitaxy by real-time optical process monitoring

Applied Surface Science, 112(1997 Mar.), 38โ€“47.

By: K. Bachmann n, C. Hopfner n, N. Sukidi n, A. Miller n, C. Harris n, D. Aspnes nโ€‰, N. Dietz n, H. Tran nโ€‰ ...

co-author countries: Germany ๐Ÿ‡ฉ๐Ÿ‡ช United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

1997 journal article

On the inhomogeneous system of isentropic gas dynamics by the viscosity method

PROCEEDINGS OF THE ROYAL SOCIETY OF EDINBURGH SECTION A-MATHEMATICS, 127, 261โ€“280.

By: W. Fangโ€‰* & K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Steady-state solutions of a one-dimensional hydrodynamic model for semiconductors

JOURNAL OF DIFFERENTIAL EQUATIONS, 133(2), 224โ€“244.

By: W. Fangโ€‰* & K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Weak solutions to a one-dimensional hydrodynamic model of two carrier types for semiconductors

NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 28(5), 947โ€“963.

By: W. Fangโ€‰* & K. Ito n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: hydrodynamic model for semiconductors; hyperbolic systems; viscosity method; compensated compactness
Source: Web Of Science
Added: August 6, 2018