Negash G. Medhin

Works (14)

Updated: April 5th, 2024 02:44

2021 journal article

A novel kernel-free least squares twin support vector machine for fast and accurate multi-class classification

Knowledge-Based Systems, 226, 107123.

By: Z. Gao*, S. Fang n, X. Gao*, J. Luo* & N. Medhin n

author keywords: Multi-class classification; Least squares twin support vector machine; Double well potential; Kernel-free SVM; Imbalanced data
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: July 6, 2021

2021 article

Optimal asset allocation with restrictions on liquidity

Medhin, N., & Xu, C. (2021, July 24). STOCHASTIC ANALYSIS AND APPLICATIONS.

By: N. Medhin n & C. Xu*

author keywords: Optimal asset allocation; liquidity; hyperbolic absolute risk aversion utility function; Hamilton-Jacobi-Bellman equation
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 30, 2021

2020 journal article

Nonzero-Sum Stochastic Differential Reinsurance Games with Jump-Diffusion Processes

JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS, 187(2), 566–584.

By: N. Medhin n & C. Xu n

author keywords: Hamilton-Jacobi-Bellman equation; Stochastic differential game; Nonzero-sum reinsurance game; Jump-diffusion process
TL;DR: A model including controls for the market share, investment, and reinsurance policies is considered, and closed-form solutions for optimal strategies are derived by applying the Hamilton–Jacobi–Bellman equation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: October 19, 2020

2017 journal article

Impulsive control problem governed by fractional differential equations and applications

Dynamic Systems and Applications, 26(1), 37–63.

By: N. Medhin & M. Sambandham

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

2012 book

Nonlinear optimal control theory

By: L. Berkovitz & N. Medhin n

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

2009 journal article

Multi-new product competition in duopoly: A differential game analysis

Dynamic Systems and Applications, 18(2), 161–178.

By: N. Medhin & W. Wan

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

2008 journal article

Modeling of viscoelastic shear: A nonlinear stick-slip formulation

Dynamic Systems and Applications, 17(2), 383–405.

By: H. Banks, N. Medhin & G. Pinter

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

2007 journal article

A molecular based model for polymer viscoelasticity: Intra- and inter-molecular variability

APPLIED MATHEMATICAL MODELLING, 32(12), 2753–2767.

By: H. Banks n, J. Hood n & N. Medhin n

author keywords: molecular chain bead models; polymer viscoelasticity; variable and distributed relaxation times
Source: Web Of Science
Added: August 6, 2018

2007 journal article

A stick-slip/Rouse hybrid model for viscoelasticity in polymers

NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS, 9(5), 2128–2149.

By: H. Banks n, J. Hood n, N. Medhin n & J. Samuels n

author keywords: viscoelasticity; stick-slip-Rouse model; parameter estimation
TL;DR: The model that is developed here treats PC molecule as entrapped within a constraining tube, which is comprised of both CC and PC molecules, and yields an explicit system of stress-strain equations for the system permitting simple calculations of complex stress–strain relations. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Multiscale Considerations in Modeling of Nonlinear Elastomers

International Journal for Computational Methods in Engineering Science and Mechanics, 8(2), 53–62.

By: H. Banks n, N. Medhin n & G. Pinter*

author keywords: Nonlinear Partial Differential Equations; Computational Methods; Viscoelasticity; Hysteresis; Molecular Dynamics; Multiscale Modeling
TL;DR: A survey of results from an extended project focused on the understanding of the dynamic behavior of elastomers or filled rubbers, with particular emphasis are the nonlinear and hysteretic aspects of dynamic deformations. (via Semantic Scholar)
Source: Crossref
Added: February 24, 2020

2005 journal article

On minimizing sequences for an optimization problem governed by an integral equation

Dynamic Systems and Applications, 14(04-Mar), 607–614.

By: N. Medhin & M. Sambandham

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

2004 journal article

Nonlinear reptation in molecular based hysteresis models for polymers

QUARTERLY OF APPLIED MATHEMATICS, 62(4), 767–779.

By: H. Banks n, N. Medhin n & G. Pinter n

author keywords: viscoelastic; hysteresis; polymers; molecular models; relaxation times; probability; distributions; uncertainty
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Error estimates for random boundary value problems with applications to a hanging cable problem

Mathematical and Computer Modelling, 38(10), 1037–1050.

By: G. Ladde, N. Medhin & M. Sambandham

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

2002 journal article

Analytical and numerical treatment of a curved active constrained layer structure

Dynamic Systems and Applications, 11(1), 75–87.

By: H. Banks, N. Begashaw & N. Medhin

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

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