The Cayley transform of prevalent matrix classes

S Mondal, KC Sivakumar, M Tsatsomeros - Linear Algebra and its …, 2024 - Elsevier
The Cayley transform of a matrix A, C (A)=(I+ A)− 1 (I− A), has been investigated in the
contexts of skew-symmetry, eigenvalue mapping and as a factorization technique for several …

Karamardian Matrices: A Generalization of -Matrices

KC Sivakumar, P Sushmitha, M Wendler - arXiv preprint arXiv:2005.08171, 2020 - arxiv.org
A real square matrix $ A $ is called a $ Q $-matrix if the linear complementarity problem $
LCP (A, q) $ has a solution for all $ q\in\mathbb {R}^ n $. This means that for every vector $ q …