On the Computation of Strategically Equivalent Rank-0 Games

03/31/2019

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by   Joseph L. Heyman, et al.

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It has been well established that in a bimatrix game, the rank of the matrix formed by summing the payoff (or cost) matrices of the players has an impact on the runtime of the algorithms that converge to a Nash equilibrium of the game. In this paper, we devise a fast linear time algorithm that exploits strategic equivalence between bimatrix games to identify whether or not a given bimatrix game is strategically equivalent to a zero-sum game, and if it is, then we present an algorithm that computes a strategically equivalent zero-sum game.