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Hartwig, Robert E.

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Author ID: hartwig.robert-e Recent zbMATH articles by "Hartwig, Robert E."
Published as: Hartwig, R.; Hartwig, R. E.; Hartwig, Robert; Hartwig, Robert E.
Documents Indexed: 123 Publications since 1969, including 1 Book

Publications by Year

Citations contained in zbMATH Open

103 Publications have been cited 1,315 times in 842 Documents Cited by Year
How to partially order regular elements. Zbl 0442.06006
Hartwig, Robert E.
122
1980
Some additive results on Drazin inverse. Zbl 0967.15003
Hartwig, Robert E.; Wang, Guorong; Wei, Yimin
95
2001
Representations for the Drazin inverse of a \(2 \times 2\) block matrix. Zbl 1100.15003
Hartwig, Robert; Li, Xiezhang; Wei, Yimin
70
2006
Block generalized inverses. Zbl 0335.15004
Hartwig, Robert E.
62
1976
On some characterizations of the ”star” partial ordering for matrices and rank subtractivity. Zbl 0603.15001
Hartwig, Robert E.; Styan, George P. H.
60
1986
Group inverses and Drazin inverses of bidiagonal and triangular Toeplitz matrices. Zbl 0372.15003
Hartwig, R. E.; Shoaf, J.
53
1977
The reverse order law revisited. Zbl 0584.15002
Hartwig, R. E.
47
1986
Matrices for which A* and A+ commute. Zbl 0525.15006
Hartwig, Robert E.; Spindelboeck, Klaus
45
1983
The group inverse of a companion matrix. Zbl 0890.15003
Puystjens, R.; Hartwig, R. E.
40
1997
The matrix equation \(A\bar X-AB=C\) and its special cases. Zbl 0655.15013
Bevis, Jean H.; Hall, Frank J.; Hartwig, Robert E.
35
1988
A note on the group structure of unit regular ring elements. Zbl 0355.16005
Hartwig, Robert E.; Luh, Jiang
29
1977
More on the Souriau-Frame algorithm and the Drazin inverse. Zbl 0335.15008
Hartwig, R. E.
26
1976
Partial orders based on outer inverses. Zbl 0778.15003
Mitra, Sujit Kumar; Hartwig, Robert E.
25
1992
Lattice properties of the *-order for complex matrices. Zbl 0485.15014
Hartwig, Robert E.; Drazin, Michael P.
25
1982
Determinantal identities over commutative semirings. Zbl 1057.15009
Poplin, Phillip L.; Hartwig, Robert E.
24
2004
Asymptotic behavior of Toeplitz matrices and determinants. Zbl 0169.04403
Hartwig, R. E.; Fisher, M. E.
24
1969
Some additive results on Drazin inverses. Zbl 1182.65067
Patrício, P.; Hartwig, R. E.
23
2009
When is a matrix a sum of idempotents? Zbl 0696.15011
Hartwig, Robert E.; Putcha, Mohan S.
23
1990
On products of EP matrices. Zbl 0868.15015
Hartwig, Robert E.; Katz, Irving J.
22
1997
Applications of the Drazin inverse to the Hill cryptographic system. III. Zbl 0491.94015
Hartwig, Robert E.; Levine, Jack
22
1981
Resultants and the solution of AX - XB = - C. Zbl 0222.15007
Hartwig, Robert E.
22
1972
A note on the partial ordering of positive semi-definite matrices. Zbl 0408.15015
Hartwig, Robert E.
18
1978
Singular value decomposition and the Moore-Penrose inverse of bordered matrices. Zbl 0335.15006
Hartwig, Robert E.
18
1976
The \((2,2,0)\) group inverse problem. Zbl 1204.15014
Patrício, P.; Hartwig, R. E.
17
2010
The group inverse of a triangular matrix. Zbl 0851.15005
Chen, Xuzhou; Hartwig, Robert E.
17
1996
When is a matrix a difference of two idempotents? Zbl 0696.15010
Hartwig, Robert E.; Putcha, Mohan S.
15
1990
Consimilarity and the matrix equation \(A\bar X-XB=C\). Zbl 0655.15012
Bevis, Jean H.; Hall, Frank J.; Hartwig, Robert E.
14
1987
Roth’s equivalence problem in unit regular rings. Zbl 0347.15005
Hartwig, Robert E.
14
1976
1-2 inverses and the invariance of \(BA^+C\). Zbl 0312.15001
Hartwig, Robert E.
12
1975
The \((2,2,0)\) Drazin inverse problem. Zbl 1261.15008
Patrício, P.; Hartwig, R. E.
11
2012
The hyperpower iteration revisited. Zbl 0848.65021
Chen, Xu-Zhou; Hartwig, Robert E.
11
1996
Partial isometries, contractions and EP matrices. Zbl 0575.15008
Hartwig, Robert E.; Spindelböck, Klaus
11
1983
On finite regular rings. Zbl 0326.16012
Hartwig, Robert E.; Luh, Jiang
11
1976
Bounds on the exponent of primitivity which depend on the spectrum and the minimal polynomial. Zbl 0790.15016
Hartwig, Robert E.; Neumann, Michael
9
1993
Roth’s removal rule revisited. Zbl 0509.15004
Hartwig, Robert E.
9
1983
Applications of the Drazin inverse to the Hill cryptographic system. I. Zbl 0427.94015
Levine, Jack; Hartwig, Robert E.
9
1980
Further results on generalized inverses of partitioned matrices. Zbl 0345.15005
Hall, Frank J.; Hartwig, Robert E.
9
1976
The link between regularity and strong-pi-regularity. Zbl 1204.15015
Patrício, Pedro; Hartwig, R. E.
8
2010
Applications of the Drazin inverse to Cesaro-Neumann iterations. Zbl 0506.65016
Hartwig, R. E.; Hall, F. J.
8
1982
A method for calculating Drazin inverse of square matrix A. Zbl 0458.15002
Hartwig, Robert E.
8
1981
A note on rank-additivity. Zbl 0456.15002
Hartwig, Robert E.
8
1981
Generalized polynomial bases and the Bézoutian. Zbl 0873.15016
Mani, Vaidyanath; Hartwig, Robert E.
7
1997
On the derivative of the Drazin inverse of a complex matrix. Zbl 0401.15003
Hartwig, Robert E.; Shoaf, Jim
7
1979
Rank factorization and Moore-Penrose inversion. Zbl 0335.15005
Hartwig, Robert E.
7
1976
Semisimilarity for matrices over a division ring. Zbl 0467.15007
Hartwig, Robert E.; Putcha, Mohan S.
6
1981
Pseudo-similarity for matrices over a field. Zbl 0386.15013
Hartwig, R. E.; Hall, F. J.
6
1978
The universal flip matrix and the generalized faro-shuffle. Zbl 0316.15013
Hartwig, Robert E.; Morris, S. Brent
6
1975
The resultant and the matrix equation AX = XB. Zbl 0243.15008
Hartwig, Robert E.
6
1972
On canonical correlations and the degrees of non-orthogonality in the three-way layout. Zbl 0858.62045
Bérubé, Julie; Hartwig, Robert E.; Styan, George P. H.
5
1993
An algebraic-analytic approach to nonnegative bases. Zbl 0708.15003
Hartwig, Robert E.; Neumann, Michael; Rose, Nicholas J.
5
1990
Some closed form formulae for the intersection of two special matrices under the star order. Zbl 0575.15009
Hartwig, Robert E.; Spindelböck, Klaus
5
1983
Pseudo-similarity and partial unit regularity. Zbl 0544.15005
Hall, Frank J.; Hartwig, Robert E.; Katz, Irving J.; Newman, Morris
5
1983
Applications of the Wronskian and Gram matrices of \(\{t^ j \exp(\lambda_ k t)\}\). Zbl 0489.34023
Hartwig, Robert E.
5
1982
Generalized inverses, EP elements and associates. Zbl 0376.16012
Hartwig, Robert E.
5
1978
When does the Moore-Penrose inverse flip? Zbl 1241.15004
Hartwig, R. E.; Patrício, P.
4
2012
Some properties of the \(q\)-adic Vandermonde matrix. Zbl 0851.15017
Mani, Vaidyanath; Hartwig, Robert E.
4
1996
Generalizations of the spectral theorem for matrices. II. Matrix polynomials over arbitrary fields. Zbl 0548.15026
Hartwig, R. E.
4
1984
On a theorem of Flanders. Zbl 0508.15008
Hartwig, Robert E.
4
1982
An application of the Moore-Penrose inverse to antisymmetric relations. Zbl 0444.16005
Hartwig, Robert E.
4
1980
Pseudo lattice properties of the star-orthogonal partial ordering for star-regular rings. Zbl 0423.06013
Hartwig, Robert E.
4
1979
The generalized faro shuffle. Zbl 0334.05034
Morris, S. Brent; Hartwig, Robert E.
4
1976
AX-XB=C, resultants and generalized inverses. Zbl 0268.15004
Hartwig, Robert E.
4
1975
Note on a linear difference equation. Zbl 1132.39001
Hartwig, Robert E.
3
2006
Diagonalizing triangular matrices via orthogonal Pierce decompositions. Zbl 1074.15006
Hartwig, R. E.; Patrício, P.; Puystjens, R.
3
2005
On some characterizations of pairwise star orthogonality using rank and dagger additivity and subtractivity. Zbl 0848.15013
Hartwig, Robert E.; Omladič, Matjaž; Šemrl, Peter; Styan, George P. H.
3
1996
EP perturbations. Zbl 0835.15001
Hartwig, Robert E.
3
1994
Maximal elements under the three partial orders. Zbl 0767.15017
Hartwig, Robert E.; Loewy, Raphael
3
1992
The group inverse of a block triangular matrix. Zbl 0661.15003
Hartwig, Robert E.
3
1987
The Drazin inverse as a gradient. Zbl 0562.15001
Gabriel, Richard; Hartwig, Robert E.
3
1984
Applications of the Drazin inverse to the Hill cryptographic system. IV. Zbl 0491.94016
Hartwig, Robert E.; Levine, Jack
3
1981
Schur’s theorem and the Drazin inverse. Zbl 0362.15003
Hartwig, Robert E.
3
1978
Invariance under outer inverses. Zbl 1390.15011
Hartwig, R. E.; Patrício, P.
2
2018
On Roth’s pseudo equivalence over rings. Zbl 1158.15009
Hartwig, R. E.; Patricio, Pedro
2
2007
Duality and black box interpolation. I: The one variable nonderogatory case. Zbl 0853.15006
Mani, Vaidyanath; Hartwig, Robert E.
2
1995
The weighted \(*\)-core-nilpotent decomposition. Zbl 0813.15002
Hartwig, Robert E.
2
1994
A remark on the characterization of the parallel sum of two matrices. Zbl 0638.15003
Hartwig, Robert E.
2
1987
A note on light matrices. Zbl 0637.15016
Hartwig, Robert E.
2
1987
Pseudo-consimilarity and semi-consimilarity of complex matrices. Zbl 0629.15005
Bevis, Jean H.; Hall, Frank J.; Hartwig, Robert E.
2
1987
Resultants, companion matrices, and Jacobson chains. Zbl 0622.15003
Hartwig, Robert E.
2
1987
Block striped and block nested matrices. Zbl 0592.15005
Hartwig, R. E.; Hall, F. J.; Katz, I. J.
2
1985
Drazin inverses and canonical forms in \(M_ 0(\)Z/h). Zbl 0455.15003
Hartwig, Robert E.
2
1981
Applications of the Drazin inverse to the Hill cryptographic system. II. Zbl 0444.94012
Levine, Jack; Hartwig, Robert E.
2
1980
Invariance, group inverses and parallel sums. Zbl 0432.16009
Hartwig, Robert E.; Shoaf, J. M.
2
1980
Theory and applications of matrix perturbations, with respect to Hankel matrices and power formulae. Zbl 0401.93021
Hartwig, Robert E.
2
1979
A note on pseudo-similarity of matrices. Zbl 0398.15009
Hall, Frank J.; Hartwig, Robert E.; Katz, Irving J.
2
1978
Spectral inverses and the row-space equations. Zbl 0388.15002
Hartwig, Robert E.
2
1978
A note on periodic matrices. Zbl 0391.15004
Hartwig, Robert E.
2
1977
A note on Jacobson chains. Zbl 0222.15006
Hartwig, Robert E.
2
1972
Toeplitz determinants and Szegö’s formula. Zbl 0174.31604
Hartwig, R. E.
2
1969
Perturbation results and the forward order law for the Moore-Penrose inverse of a product. Zbl 1405.15007
Castro-González, Nieves; Hartwig, Robert E.
1
2018
Some regular sums. Zbl 1307.15008
Patrício, P.; Hartwig, R. E.
1
2015
Two by two units. Zbl 1327.15004
Hartwig, R. E.; Patrício, P.
1
2014
A note on power bounded matrices. Zbl 1251.15016
Hartwig, R. E.; Patricio, P.
1
2012
The Picard iteration and its application. Zbl 1103.65034
Chen, Xuzhou; Hartwig, Robert E.
1
2006
Constrained convergence. Zbl 0930.65032
Hartwig, Robert E.; Šemrl, Peter
1
1999
Power additivity and orthogonality. Zbl 0924.15007
Hartwig, Robert E.; Šemrl, Peter
1
1998
Computing the Moore-Penrose inverse for the covariance matrix in constrained nonlinear estimation. Zbl 0874.62069
Hartmann, Wolfgang M.; Hartwig, Robert E.
1
1996
Roth’s removal rule and the rational canonical form. Zbl 0861.15010
Hartwig, Robert E.
1
1996
A convexity result for complex numbers with applications to nonnegative normal matrices. Zbl 0823.15019
Kirkland, Steve; Hartwig, Robert E.
1
1995
The pyramid decomposition and rank minimization. Zbl 0797.15013
Hartwig, Robert E.
1
1993
Invariance under outer inverses. Zbl 1390.15011
Hartwig, R. E.; Patrício, P.
2
2018
Perturbation results and the forward order law for the Moore-Penrose inverse of a product. Zbl 1405.15007
Castro-González, Nieves; Hartwig, Robert E.
1
2018
Some regular sums. Zbl 1307.15008
Patrício, P.; Hartwig, R. E.
1
2015
Two by two units. Zbl 1327.15004
Hartwig, R. E.; Patrício, P.
1
2014
The \((2,2,0)\) Drazin inverse problem. Zbl 1261.15008
Patrício, P.; Hartwig, R. E.
11
2012
When does the Moore-Penrose inverse flip? Zbl 1241.15004
Hartwig, R. E.; Patrício, P.
4
2012
A note on power bounded matrices. Zbl 1251.15016
Hartwig, R. E.; Patricio, P.
1
2012
The \((2,2,0)\) group inverse problem. Zbl 1204.15014
Patrício, P.; Hartwig, R. E.
17
2010
The link between regularity and strong-pi-regularity. Zbl 1204.15015
Patrício, Pedro; Hartwig, R. E.
8
2010
Some additive results on Drazin inverses. Zbl 1182.65067
Patrício, P.; Hartwig, R. E.
23
2009
On Roth’s pseudo equivalence over rings. Zbl 1158.15009
Hartwig, R. E.; Patricio, Pedro
2
2007
Representations for the Drazin inverse of a \(2 \times 2\) block matrix. Zbl 1100.15003
Hartwig, Robert; Li, Xiezhang; Wei, Yimin
70
2006
Note on a linear difference equation. Zbl 1132.39001
Hartwig, Robert E.
3
2006
The Picard iteration and its application. Zbl 1103.65034
Chen, Xuzhou; Hartwig, Robert E.
1
2006
Diagonalizing triangular matrices via orthogonal Pierce decompositions. Zbl 1074.15006
Hartwig, R. E.; Patrício, P.; Puystjens, R.
3
2005
Determinantal identities over commutative semirings. Zbl 1057.15009
Poplin, Phillip L.; Hartwig, Robert E.
24
2004
Some additive results on Drazin inverse. Zbl 0967.15003
Hartwig, Robert E.; Wang, Guorong; Wei, Yimin
95
2001
Constrained convergence. Zbl 0930.65032
Hartwig, Robert E.; Šemrl, Peter
1
1999
Power additivity and orthogonality. Zbl 0924.15007
Hartwig, Robert E.; Šemrl, Peter
1
1998
The group inverse of a companion matrix. Zbl 0890.15003
Puystjens, R.; Hartwig, R. E.
40
1997
On products of EP matrices. Zbl 0868.15015
Hartwig, Robert E.; Katz, Irving J.
22
1997
Generalized polynomial bases and the Bézoutian. Zbl 0873.15016
Mani, Vaidyanath; Hartwig, Robert E.
7
1997
The group inverse of a triangular matrix. Zbl 0851.15005
Chen, Xuzhou; Hartwig, Robert E.
17
1996
The hyperpower iteration revisited. Zbl 0848.65021
Chen, Xu-Zhou; Hartwig, Robert E.
11
1996
Some properties of the \(q\)-adic Vandermonde matrix. Zbl 0851.15017
Mani, Vaidyanath; Hartwig, Robert E.
4
1996
On some characterizations of pairwise star orthogonality using rank and dagger additivity and subtractivity. Zbl 0848.15013
Hartwig, Robert E.; Omladič, Matjaž; Šemrl, Peter; Styan, George P. H.
3
1996
Computing the Moore-Penrose inverse for the covariance matrix in constrained nonlinear estimation. Zbl 0874.62069
Hartmann, Wolfgang M.; Hartwig, Robert E.
1
1996
Roth’s removal rule and the rational canonical form. Zbl 0861.15010
Hartwig, Robert E.
1
1996
Duality and black box interpolation. I: The one variable nonderogatory case. Zbl 0853.15006
Mani, Vaidyanath; Hartwig, Robert E.
2
1995
A convexity result for complex numbers with applications to nonnegative normal matrices. Zbl 0823.15019
Kirkland, Steve; Hartwig, Robert E.
1
1995
EP perturbations. Zbl 0835.15001
Hartwig, Robert E.
3
1994
The weighted \(*\)-core-nilpotent decomposition. Zbl 0813.15002
Hartwig, Robert E.
2
1994
Bounds on the exponent of primitivity which depend on the spectrum and the minimal polynomial. Zbl 0790.15016
Hartwig, Robert E.; Neumann, Michael
9
1993
On canonical correlations and the degrees of non-orthogonality in the three-way layout. Zbl 0858.62045
Bérubé, Julie; Hartwig, Robert E.; Styan, George P. H.
5
1993
The pyramid decomposition and rank minimization. Zbl 0797.15013
Hartwig, Robert E.
1
1993
Partial orders based on outer inverses. Zbl 0778.15003
Mitra, Sujit Kumar; Hartwig, Robert E.
25
1992
Maximal elements under the three partial orders. Zbl 0767.15017
Hartwig, Robert E.; Loewy, Raphael
3
1992
When is a matrix a sum of idempotents? Zbl 0696.15011
Hartwig, Robert E.; Putcha, Mohan S.
23
1990
When is a matrix a difference of two idempotents? Zbl 0696.15010
Hartwig, Robert E.; Putcha, Mohan S.
15
1990
An algebraic-analytic approach to nonnegative bases. Zbl 0708.15003
Hartwig, Robert E.; Neumann, Michael; Rose, Nicholas J.
5
1990
The matrix equation \(A\bar X-AB=C\) and its special cases. Zbl 0655.15013
Bevis, Jean H.; Hall, Frank J.; Hartwig, Robert E.
35
1988
Consimilarity and the matrix equation \(A\bar X-XB=C\). Zbl 0655.15012
Bevis, Jean H.; Hall, Frank J.; Hartwig, Robert E.
14
1987
The group inverse of a block triangular matrix. Zbl 0661.15003
Hartwig, Robert E.
3
1987
A remark on the characterization of the parallel sum of two matrices. Zbl 0638.15003
Hartwig, Robert E.
2
1987
A note on light matrices. Zbl 0637.15016
Hartwig, Robert E.
2
1987
Pseudo-consimilarity and semi-consimilarity of complex matrices. Zbl 0629.15005
Bevis, Jean H.; Hall, Frank J.; Hartwig, Robert E.
2
1987
Resultants, companion matrices, and Jacobson chains. Zbl 0622.15003
Hartwig, Robert E.
2
1987
On some characterizations of the ”star” partial ordering for matrices and rank subtractivity. Zbl 0603.15001
Hartwig, Robert E.; Styan, George P. H.
60
1986
The reverse order law revisited. Zbl 0584.15002
Hartwig, R. E.
47
1986
Block striped and block nested matrices. Zbl 0592.15005
Hartwig, R. E.; Hall, F. J.; Katz, I. J.
2
1985
Generalizations of the spectral theorem for matrices. II. Matrix polynomials over arbitrary fields. Zbl 0548.15026
Hartwig, R. E.
4
1984
The Drazin inverse as a gradient. Zbl 0562.15001
Gabriel, Richard; Hartwig, Robert E.
3
1984
Matrices for which A* and A+ commute. Zbl 0525.15006
Hartwig, Robert E.; Spindelboeck, Klaus
45
1983
Partial isometries, contractions and EP matrices. Zbl 0575.15008
Hartwig, Robert E.; Spindelböck, Klaus
11
1983
Roth’s removal rule revisited. Zbl 0509.15004
Hartwig, Robert E.
9
1983
Some closed form formulae for the intersection of two special matrices under the star order. Zbl 0575.15009
Hartwig, Robert E.; Spindelböck, Klaus
5
1983
Pseudo-similarity and partial unit regularity. Zbl 0544.15005
Hall, Frank J.; Hartwig, Robert E.; Katz, Irving J.; Newman, Morris
5
1983
Lattice properties of the *-order for complex matrices. Zbl 0485.15014
Hartwig, Robert E.; Drazin, Michael P.
25
1982
Applications of the Drazin inverse to Cesaro-Neumann iterations. Zbl 0506.65016
Hartwig, R. E.; Hall, F. J.
8
1982
Applications of the Wronskian and Gram matrices of \(\{t^ j \exp(\lambda_ k t)\}\). Zbl 0489.34023
Hartwig, Robert E.
5
1982
On a theorem of Flanders. Zbl 0508.15008
Hartwig, Robert E.
4
1982
Applications of the Drazin inverse to the Hill cryptographic system. III. Zbl 0491.94015
Hartwig, Robert E.; Levine, Jack
22
1981
A method for calculating Drazin inverse of square matrix A. Zbl 0458.15002
Hartwig, Robert E.
8
1981
A note on rank-additivity. Zbl 0456.15002
Hartwig, Robert E.
8
1981
Semisimilarity for matrices over a division ring. Zbl 0467.15007
Hartwig, Robert E.; Putcha, Mohan S.
6
1981
Applications of the Drazin inverse to the Hill cryptographic system. IV. Zbl 0491.94016
Hartwig, Robert E.; Levine, Jack
3
1981
Drazin inverses and canonical forms in \(M_ 0(\)Z/h). Zbl 0455.15003
Hartwig, Robert E.
2
1981
Algebraic properties of governing matrices used in Cesaro-Neumann iterations. Zbl 0468.65019
Hall, Frank J.; Hartwig, Robert E.
1
1981
How to partially order regular elements. Zbl 0442.06006
Hartwig, Robert E.
122
1980
Applications of the Drazin inverse to the Hill cryptographic system. I. Zbl 0427.94015
Levine, Jack; Hartwig, Robert E.
9
1980
An application of the Moore-Penrose inverse to antisymmetric relations. Zbl 0444.16005
Hartwig, Robert E.
4
1980
Applications of the Drazin inverse to the Hill cryptographic system. II. Zbl 0444.94012
Levine, Jack; Hartwig, Robert E.
2
1980
Invariance, group inverses and parallel sums. Zbl 0432.16009
Hartwig, Robert E.; Shoaf, J. M.
2
1980
On the derivative of the Drazin inverse of a complex matrix. Zbl 0401.15003
Hartwig, Robert E.; Shoaf, Jim
7
1979
Pseudo lattice properties of the star-orthogonal partial ordering for star-regular rings. Zbl 0423.06013
Hartwig, Robert E.
4
1979
Theory and applications of matrix perturbations, with respect to Hankel matrices and power formulae. Zbl 0401.93021
Hartwig, Robert E.
2
1979
A note on the partial ordering of positive semi-definite matrices. Zbl 0408.15015
Hartwig, Robert E.
18
1978
Pseudo-similarity for matrices over a field. Zbl 0386.15013
Hartwig, R. E.; Hall, F. J.
6
1978
Generalized inverses, EP elements and associates. Zbl 0376.16012
Hartwig, Robert E.
5
1978
Schur’s theorem and the Drazin inverse. Zbl 0362.15003
Hartwig, Robert E.
3
1978
A note on pseudo-similarity of matrices. Zbl 0398.15009
Hall, Frank J.; Hartwig, Robert E.; Katz, Irving J.
2
1978
Spectral inverses and the row-space equations. Zbl 0388.15002
Hartwig, Robert E.
2
1978
A note on the existence of inner and outer inverses. Zbl 0396.16006
Hartwig, Robert E.
1
1978
Group inverses and Drazin inverses of bidiagonal and triangular Toeplitz matrices. Zbl 0372.15003
Hartwig, R. E.; Shoaf, J.
53
1977
A note on the group structure of unit regular ring elements. Zbl 0355.16005
Hartwig, Robert E.; Luh, Jiang
29
1977
A note on periodic matrices. Zbl 0391.15004
Hartwig, Robert E.
2
1977
Block generalized inverses. Zbl 0335.15004
Hartwig, Robert E.
62
1976
More on the Souriau-Frame algorithm and the Drazin inverse. Zbl 0335.15008
Hartwig, R. E.
26
1976
Singular value decomposition and the Moore-Penrose inverse of bordered matrices. Zbl 0335.15006
Hartwig, Robert E.
18
1976
Roth’s equivalence problem in unit regular rings. Zbl 0347.15005
Hartwig, Robert E.
14
1976
On finite regular rings. Zbl 0326.16012
Hartwig, Robert E.; Luh, Jiang
11
1976
Further results on generalized inverses of partitioned matrices. Zbl 0345.15005
Hall, Frank J.; Hartwig, Robert E.
9
1976
Rank factorization and Moore-Penrose inversion. Zbl 0335.15005
Hartwig, Robert E.
7
1976
The generalized faro shuffle. Zbl 0334.05034
Morris, S. Brent; Hartwig, Robert E.
4
1976
Products of EP elements in reflexive semigroups. Zbl 0329.20052
Hartwig, Robert E.; Katz, Irving J.
1
1976
1-2 inverses and the invariance of \(BA^+C\). Zbl 0312.15001
Hartwig, Robert E.
12
1975
The universal flip matrix and the generalized faro-shuffle. Zbl 0316.15013
Hartwig, Robert E.; Morris, S. Brent
6
1975
AX-XB=C, resultants and generalized inverses. Zbl 0268.15004
Hartwig, Robert E.
4
1975
Resultants and the solution of AX - XB = - C. Zbl 0222.15007
Hartwig, Robert E.
22
1972
The resultant and the matrix equation AX = XB. Zbl 0243.15008
Hartwig, Robert E.
6
1972
...and 3 more Documents
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Cited by 678 Authors

50 Hartwig, Robert E.
43 Mosić, Dijana
43 Wei, Yimin
39 Chen, Jianlong
31 Đorđević, Dragan S.
30 Liu, Xiaoji
30 Patrício, Pedro
28 Cvetković-Ilić, Dragana S.
28 Deng, Chunyuan
21 Baksalary, Jerzy K.
21 Tian, Yongge
16 Baksalary, Oskar Maria
16 Wu, Aiguo
15 Duan, Guangren
15 Trenkler, Götz
13 Bu, Changjiang
13 Gross, Jürgen
13 Mitra, Sujit Kumar
13 Thome, Néstor
12 Marovt, Janko
11 Benítez Lopez, Julio
10 Guterman, Alexander Èmilevich
10 Wang, Qingwen
9 Castro González, Nieves
9 Chen, Huanyin
9 Li, Tingting
9 Mary, Xavier
9 Puystjens, Roland
9 Styan, George P. H.
9 Wang, Hongxing
9 Zhu, Huihui
8 Cao, Chongguang
8 Shu, Qianyu
8 Song, Chuanning
8 Wang, Xueping
8 Xiong, Zhiping
8 Xu, Qingxiang
7 Chen, Guoliang
7 Hall, Frank J.
7 Hauke, Jan
7 Martínez-Serrano, M. F.
7 Stanimirović, Predrag S.
7 Xu, Sanzhang
7 Xu, Zhaoliang
7 Yu, Yaoming
7 Zhou, Mengmeng
7 Zou, Honglin
6 Bart, Harm
6 Chen, Jianbiao
6 Ehrhardt, Torsten
6 Ma, Haifeng
6 Neumann, Michael
6 Silbermann, Bernd
6 Tan, Yijia
6 Wang, Guorong
6 Wang, Jin-Hsien
5 Dinčić, Nebojša Č.
5 Djikić, Marko S.
5 Efimov, Mikhail A.
5 Feng, Gang
5 Gao, Yuefeng
5 Ke, Yuanyuan
5 Rakić, Dragan S.
5 Šemrl, Peter
5 Sheng, Xingping
5 Sivakumar, Koratti Chengalrayan
5 Wu, Weijun
5 Yu, Anqi
4 Chen, Xuzhou
4 Dopazo, Esther
4 Du, Hongke
4 Ferreyra, David E.
4 Ge, Yanling
4 Guralnick, Robert Michael
4 Jain, Surender Kumar
4 Jin, Hongwei
4 Karizaki, Mehdi Mohammadzadeh
4 Koliha, Jerry J.
4 Lam, Tsit-Yuen
4 Lešnjak, Gorazd
4 Liu, Wanquan
4 Lv, Lingling
4 Malik, Saroj B.
4 Markiewicz, Augustyn
4 Nielsen, Pace P.
4 Prasad, K. Manjunatha
4 Qin, Yingying
4 Sheibani Abdolyousefi, Marjan
4 Wei, Musheng
4 Widom, Harold
4 Yang, Zhenghong
4 Zhang, Hanyu
4 Zhang, Kuize
4 Zhang, Xiaoxiang
4 Zhou, Bin
4 Zhou, Jiang
4 Zuo, Kezheng
3 Bevis, Jean H.
3 Boasso, Enrico
3 Böttcher, Albrecht
...and 578 more Authors
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Cited in 144 Serials

266 Linear Algebra and its Applications
97 Linear and Multilinear Algebra
97 Applied Mathematics and Computation
28 Journal of Mathematical Analysis and Applications
14 Communications in Algebra
14 Journal of Algebra and its Applications
12 Journal of Computational and Applied Mathematics
12 Journal of Applied Mathematics and Computing
10 Aequationes Mathematicae
9 Computers & Mathematics with Applications
9 Semigroup Forum
9 Journal of Mathematical Sciences (New York)
9 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
9 Frontiers of Mathematics in China
7 Proceedings of the American Mathematical Society
7 Journal of the Australian Mathematical Society
7 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
6 Czechoslovak Mathematical Journal
6 Computational and Applied Mathematics
5 Journal of Algebra
5 Mathematical and Computer Modelling
5 International Journal of Computer Mathematics
5 Turkish Journal of Mathematics
5 Journal of Applied Mathematics
5 Mediterranean Journal of Mathematics
4 Mathematical Notes
4 Numerical Functional Analysis and Optimization
4 ELA. The Electronic Journal of Linear Algebra
3 Communications in Mathematical Physics
3 Indian Journal of Pure & Applied Mathematics
3 Journal of the Franklin Institute
3 Nuclear Physics. B
3 Ukrainian Mathematical Journal
3 Integral Equations and Operator Theory
3 Quaestiones Mathematicae
3 Transactions of the American Mathematical Society
3 Advances in Applied Clifford Algebras
3 Abstract and Applied Analysis
3 Journal of Inequalities and Applications
3 Complex Analysis and Operator Theory
3 Operators and Matrices
3 Banach Journal of Mathematical Analysis
3 Functional Analysis, Approximation and Computation
3 Open Mathematics
2 Archive for Rational Mechanics and Analysis
2 Bulletin of the Australian Mathematical Society
2 International Journal of Systems Science
2 Rocky Mountain Journal of Mathematics
2 Computing
2 Glasgow Mathematical Journal
2 International Journal of Mathematics and Mathematical Sciences
2 Journal of Pure and Applied Algebra
2 Rendiconti del Circolo Matemàtico di Palermo. Serie II
2 Advances in Applied Mathematics
2 Bulletin of the Iranian Mathematical Society
2 Communications in Statistics. Theory and Methods
2 Algebra Colloquium
2 Mathematical Problems in Engineering
2 Soft Computing
2 Acta Mathematica Sinica. English Series
2 Central European Journal of Mathematics
2 International Journal of Applied and Computational Mathematics
1 The Canadian Journal of Statistics
1 Communications on Pure and Applied Mathematics
1 Discrete Applied Mathematics
1 Discrete Mathematics
1 International Journal of Mathematical Education in Science and Technology
1 Journal of Mathematical Physics
1 Journal of Statistical Physics
1 Mathematical Proceedings of the Cambridge Philosophical Society
1 Moscow University Mathematics Bulletin
1 Periodica Mathematica Hungarica
1 Mathematics of Computation
1 Algebra Universalis
1 Annals of the Institute of Statistical Mathematics
1 Annali di Matematica Pura ed Applicata. Serie Quarta
1 Annales Universitatis Mariae Curie-Skłodowska. Sectio A. Mathematica
1 BIT
1 Calcolo
1 Functional Analysis and its Applications
1 Information Sciences
1 Publications Mathématiques
1 Journal of Functional Analysis
1 Journal of Soviet Mathematics
1 Journal of Statistical Planning and Inference
1 Kybernetika
1 Mathematica Slovaca
1 Monatshefte für Mathematik
1 Numerische Mathematik
1 Results in Mathematics
1 Revista de la Unión Matemática Argentina
1 Theoretical Computer Science
1 Cryptologia
1 SIAM Journal on Algebraic and Discrete Methods
1 Circuits, Systems, and Signal Processing
1 Applied Mathematics and Mechanics. (English Edition)
1 Chinese Annals of Mathematics. Series B
1 Acta Mathematica Hungarica
1 Acta Mathematicae Applicatae Sinica. English Series
1 Statistics
...and 44 more Serials
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Cited in 42 Fields

673 Linear and multilinear algebra; matrix theory (15-XX)
166 Operator theory (47-XX)
149 Associative rings and algebras (16-XX)
100 Numerical analysis (65-XX)
68 Order, lattices, ordered algebraic structures (06-XX)
63 Functional analysis (46-XX)
35 Group theory and generalizations (20-XX)
22 Combinatorics (05-XX)
14 Systems theory; control (93-XX)
12 Statistics (62-XX)
9 \(K\)-theory (19-XX)
9 Ordinary differential equations (34-XX)
9 Operations research, mathematical programming (90-XX)
7 Category theory; homological algebra (18-XX)
7 Computer science (68-XX)
5 Number theory (11-XX)
5 Quantum theory (81-XX)
5 Statistical mechanics, structure of matter (82-XX)
4 History and biography (01-XX)
4 Commutative algebra (13-XX)
4 Information and communication theory, circuits (94-XX)
3 Functions of a complex variable (30-XX)
3 Approximations and expansions (41-XX)
3 Probability theory and stochastic processes (60-XX)
2 Field theory and polynomials (12-XX)
2 Nonassociative rings and algebras (17-XX)
2 Several complex variables and analytic spaces (32-XX)
2 Integral transforms, operational calculus (44-XX)
2 Integral equations (45-XX)
2 Convex and discrete geometry (52-XX)
1 General and overarching topics; collections (00-XX)
1 Mathematical logic and foundations (03-XX)
1 Algebraic geometry (14-XX)
1 Measure and integration (28-XX)
1 Special functions (33-XX)
1 Difference and functional equations (39-XX)
1 Sequences, series, summability (40-XX)
1 Harmonic analysis on Euclidean spaces (42-XX)
1 Differential geometry (53-XX)
1 Mechanics of deformable solids (74-XX)
1 Game theory, economics, finance, and other social and behavioral sciences (91-XX)
1 Biology and other natural sciences (92-XX)

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