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71 Publications
26 Journals
K C Sivakumar
Professor
Department of Mathematics
kcskumar@iitm.ac.in (Work)
+91-44 2257 4622 (Work)
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Publications - 71
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Publications (71)
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Publications (71)
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Articles
Complementarity properties of singular M-matrices
K C Sivakumar
2016 | Elsevier Inc.
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On certain positivity classes of operators
K C Sivakumar
2016 | Taylor and Francis Inc.
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Extensions of Perron–Frobenius splittings and relationships with nonnegative Moore–Penrose inverses
K C Sivakumar
2015 | Taylor and Francis Ltd.
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Open Access
Pseudo Schur complements, pseudo principal pivot transforms and their inheritance properties
K C Sivakumar
2015 | International Linear Algebra Society
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Sub-direct sum of operators on Hilbert spaces and nonnegative Moore-Penrose inverses
K C Sivakumar
2015 | University of Szeged
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On partial orders of Hilbert space operators
K C Sivakumar
2015 | Taylor and Francis Ltd.
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Tucker's theorem for almost skew-symmetric matrices and a proof of Farkas' lemma
K C Sivakumar
2015 | Elsevier Inc.
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Almost definite matrices revisited
K C Sivakumar
2015 | International Linear Algebra Society
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Singular M-matrices which may not have a nonnegative generalized inverse
K C Sivakumar
2014 | De Gruyter Open Ltd
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Advances in matrices, finite and infinite, with applications 2014
K C Sivakumar
2014 | Hindawi Publishing Corporation
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P†-matrices: A generalization of P-matrices
K C Sivakumar
2014
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Open Access
Advances in matrices, finite and infinite, with applications
K C Sivakumar
2013
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Nonnegative generalized inverses and certain subclasses of singular Q-matrices
K C Sivakumar
2013
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On inverse-positivity of sub-direct sums of matrices
K C Sivakumar
2013
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A class of singular R0-matrices and extensions to semidefinite linear complementarity problems
K C Sivakumar
2013
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On nonnegative moore-penrose inverses of perturbed matrices
K C Sivakumar
2013
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Book Chapter
Moore–penrose inverse of perturbed operators on hilbert spaces
K C Sivakumar
2013 | Springer India
Conferences
Stein linear programs over symmetric cones
K C Sivakumar
and
V. Vetrivel
2013
Articles
Weak monotonicity of matrices and subclasses of proper splittings
K C Sivakumar
2012
Articles
Open Access
Comparison theorems for a subclass of proper splittings of matrices
K C Sivakumar
2012
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