Concepedia

Robert E. Hartwig

RE

50

Publications

2.3K

Citations

28

H-Index

1966

Active since

Affiliations

North Carolina State University(Current)

University of Graz

Robert E. Hartwig is an author at North Carolina State University specializing in spectral theory, engineering, and inverse problems.

Top concepts

Spectral TheoryEngineeringInverse ProblemsRepresentation TheoryFunctional AnalysisCryptographyLinear GroupsComputer ScienceNumerical AnalysisTotal Unimodularity

Publications per year

1966–2020

50

Publications

50

Block generalized inverses

Robert E. Hartwig · Archive for Rational Mechanics and Analysis · 1976 · 189 citations

Mathematical Programming, Generalized Function, Block Design +2

Some additive results on Drazin inverse

Robert E. Hartwig, Guorong Wang, Yimin Wei · Linear Algebra and its Applications · 2001 · 175 citations

Additive Results, Computational Number Theory, Analytic Number Theory +1

Matrices for which<i>A<sup>∗</sup></i>and<i>A<sup>†</sup></i>commute

Robert E. Hartwig, Klaus Spindelböck · Linear and Multilinear Algebra · 1983 · 172 citations

Spectral Theory, Complex Star-dagger Matrices, Special Matrices +4

Group inverses and Drazin inverses of bidiagonal and triangular Toeqlitz matrices

Robert E. Hartwig, James M. Shoaf · Journal of the Australian Mathematical Society · 1977 · 118 citations · Full text

Spectral Theory, Coxeter Group, Triangular Toeplitz Matrices +12

Representations for the Drazin Inverse of a 2 x 2 Block Matrix

Robert E. Hartwig, Xiezhang Li, Yimin Wei · SIAM Journal on Matrix Analysis and Applications · 2005 · 108 citations

Spectral Theory, Representation Theory, Matrix Analysis +7

Rows per page

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