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![]() Title:From Kochen-Specker to Feder-Vardi and Weisfeiler-Leman Authors:Samson Abramsky Conference:VardiFest22 Tags:constraint satisfaction, contextuality, finite-variable logics, k-consistency, quantum mechanics, sheaves and cohomology and Weisfeiler-Leman Abstract: We point out the surprising connections which have recently been observed between the famous Kochen-Specker theorem in the foundations of quantum mechanics, and algorithmic questions relating to constraint satisfaction and the celebrated Feder-Vardi Dichotomy Conjecture (recently proved by Bulatov and Zhuk), and to the Weisfeiler-Leman approximations to structure isomorphism. From Kochen-Specker to Feder-Vardi and Weisfeiler-Leman ![]() From Kochen-Specker to Feder-Vardi and Weisfeiler-Leman | ||||
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