Works (23)

2018 journal article

PERTURBATION RESULTS AND THE FORWARD ORDER LAW FOR THE MOORE-PENROSE INVERSE OF A PRODUCT

ELECTRONIC JOURNAL OF LINEAR ALGEBRA, 34, 514–525.

By: N. Castro-Gonzalez & R. Hartwig

Source: NC State University Libraries
Added: December 3, 2018

2018 journal article

The group inverse of the nivellateur

LINEAR & MULTILINEAR ALGEBRA, 66(12), 2409–2420.

By: R. Hartwig & P. Patricio

Source: NC State University Libraries
Added: October 16, 2018

2015 journal article

Some regular sums

Linear & Multilinear Algebra, 63(1), 185–200.

By: P. Patricio & R. Hartwig

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

2014 journal article

Two by two units

Electronic Journal of Linear Algebra, 27, 489–503.

By: R. Hartwig & P. Patricio

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

2012 journal article

A note on power bounded matrices

Electronic Journal of Linear Algebra, 23, 625–645.

By: R. Hartwig & P. Patricio

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

2010 journal article

The (2,2,0) group inverse problem

Applied Mathematics and Computation, 217(2), 516–520.

By: P. Patricio & R. Hartwig

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

2010 journal article

The link between regularity and strong-pi-regularity

Journal of the Australian Mathematical Society, 89(1), 17–22.

By: P. Patricio & R. Hartwig

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

2009 journal article

Some additive results on Drazin inverses

Applied Mathematics and Computation, 215(2), 530–538.

By: P. Patricio & R. Hartwig

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

2007 journal article

On Roth's pseudo equivalence over rings

Electronic Journal of Linear Algebra, 16, 111–124.

By: R. Hartwig & P. Patricio

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

2006 journal article

Note on a linear difference equation

American Mathematical Monthly, 113(3), 250–256.

By: R. Hartwig

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

2006 journal article

Representations for the Drazin inverse of a 2 x 2 block matrix

SIAM Journal on Matrix Analysis and Applications, 27(3), 757–771.

By: R. Hartwig, X. Li & Y. Wei

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

2006 journal article

The Picard iteration and its application

Linear & Multilinear Algebra, 54(5), 329–341.

By: X. Chen & R. Hartwig

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

2005 journal article

Diagonalizing triangular matrices via orthogonal Pierce decompositions

Linear Algebra and Its Applications, 401(May 15 2005), 381–391.

By: R. Hartwig, P. Patricio & R. Puystjens

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

2005 journal article

Focal power

Electronic Journal of Linear Algebra, 13, 56–71.

By: R. Hartwig & J. Maroulas

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

2005 journal article

The semi-iterative method applied to the hyper-power iteration

Numerical Linear Algebra With Applications, 12(9), 895–910.

By: X. Chen & R. Hartwig

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

2004 journal article

Determinantal identities over commutative semirings

Linear Algebra and Its Applications, 387(Aug 1 2004), 99–132.

By: P. Poplin & R. Hartwig

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

2001 journal article

Some additive results on Drazin inverse

Linear Algebra and Its Applications, 322(1-3), 207–217.

By: R. Hartwig, G. Wang & Y. Wei

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

2000 journal article

Creation and annihilation in matrix theory

Linear Algebra and Its Applications, 305(1-3), 47–65.

By: R. Hartwig & K. Prasad

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

1999 journal article

Constrained convergence

Rocky Mountain Journal of Mathematics, 29(1), 177–195.

By: R. Hartwig & P. Semrl

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

1998 journal article

Power additivity and orthogonality

SIAM Journal on Matrix Analysis and Applications, 20(1), 1–13.

By: R. Hartwig & P. Semrl

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

1997 journal article

Generalized polynomial bases and the bezoutian

Linear Algebra and Its Applications, 251(1997 Jan. 15), 293–320.

By: V. Mani & R. Hartwig

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

1997 journal article

On products of EP matrices

Linear Algebra and Its Applications, 252(1997 Feb.), 339–345.

By: R. Hartwig & I. Katz

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

1997 journal article

On the convergence of power scaled Cesaro sums

Linear Algebra and Its Applications, 267(1997 Dec.), 335–358.

By: X. Chen & R. Hartwig

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