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Electronic Colloquium on Computational Complexity

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REPORTS > KEYWORD > SPERNER'S LEMMA:
Reports tagged with Sperner's lemma:
TR06-037 | 10th February 2006
Xi Chen, Xiaotie Deng

On the Complexity of 2D Discrete Fixed Point Problem

While the 3-dimensional analogue of the Sperner problem in the plane was known to be PPAD-complete, the complexity of the 2D-SPERNER itself is not known to be PPAD-complete or not. In this paper, we settle this open problem proposed by Papadimitriou~\cite{PAP90} fifteen years ago. This also allows us to derive ... more >>>




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