Properties of some matrix classes based on principal pivot transform

@article{Das2016PropertiesOS,
title={Properties of some matrix classes based on principal pivot transform},
author={A. K. Das},
journal={Annals of Operations Research},
year={2016},
volume={243},
pages={375-382}
}
• A. K. Das
• Published 1 August 2016
• Mathematics
• Annals of Operations Research
In this article, we study the properties of some matrix classes using principal pivot transform (PPT). These matrices with some additional conditions have nonnegative principal minors. We show that a subclass of almost fully copositive matrices intorduced in (Linear Algebra Appl 400:243–252 2005) with $$Q_{0}$$Q0-property is captured by sufficient matrices introduced by Cottle et al. in (Linear Algebra Appl 114/115:231–249 1989) and the solution set of a linear complementarity problem is the…
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