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Quadratic stochastic operators and zero-sum game dynamics

Published online by Cambridge University Press:  20 June 2014

NASIR N. GANIKHODJAEV,
RASUL N. GANIKHODJAEV and
U. U. JAMILOV
NASIR N. GANIKHODJAEV
Affiliation:
Department of Computational and Theoretical Sciences, Faculty of Science, IIUM, 25200 Kuantan, Malaysia email nasirgani@hotmail.com
RASUL N. GANIKHODJAEV
Affiliation:
Department of Algebra and Functional Analysis, Faculty of Mathematics, National University of Uzbekistan, 100095 Tashkent, Uzbekistan email rasulgani@hotmail.com
U. U. JAMILOV
Affiliation:
Institute of Mathematics at the National University of Uzbekistan, 29, Do’rmon Yo’li str., 100125 Tashkent, Uzbekistan email jamilovu@yandex.ru
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Abstract

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In this paper we consider the set of all extremal Volterra quadratic stochastic operators defined on a unit simplex $S^{4}$ and show that such operators can be reinterpreted in terms of zero-sum games. We show that an extremal Volterra operator is non-ergodic and an appropriate zero-sum game is a rock-paper-scissors game if either the Volterra operator is a uniform operator or for a non-uniform Volterra operator $V$ there exists a subset $I\subset \{1,2,3,4,5\}$ with $|I|\leq 2$ such that $\sum _{i\in I}(V^{n}\mathbf{x})_{i}\rightarrow 0,$ and the restriction of $V$ on an invariant face ${\rm\Gamma}_{I}=\{\mathbf{x}\in S^{m-1}:x_{i}=0,i\in I\}$ is a uniform Volterra operator.

Information

Type
Research Article
Information
Ergodic Theory and Dynamical Systems , Volume 35 , Issue 5 , August 2015, pp. 1443 - 1473
Copyright
© Cambridge University Press, 2014 

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