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math.NT2019
A Classification of Permutation Polynomials through Some Linear Maps
Megha M. Kolhekar, Harish K. Pillai
In this paper, we propose linear maps over the space of all polynomials in that map to itself, through their evaluation map. Properties of these linear…
math.OC2019
Yet another approach to the Algebraic Riccati Inequality
A. Sanand Amita Dilip, Harish K. Pillai
We give a rank characterization of the solution set of algebraic Riccati inequality (ARI) for both controllable and uncontrollable systems. Assuming an existence of a solution of t…