Questions tagged [game-semantics]

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Complexity of parity game solving compared to PLS, PPA, and PPAD

Since parity game solving is in TFNP ("Total Function Nondeterministic Polynomial") (and the decision version is is NP ∩ coNP), I wonder whether it is contained in PLS ("Polynomial Local Search") or ...
3
votes
1answer
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What's the correct definition of the $\Upsilon$ category of schedules?

I'm reading this article about game semantics and I'm a bit puzzled with the definition given for $\Upsilon$ in section $3.3$. There are some points that are either unintelligible or that don't make ...
3
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0answers
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How to prove that the composite strategy is prefix-closed and respects the alternation condition?

I'm doing some research on game semantics using these notes. Currently I'm trying to prove that the definition of composite-strategy is indeed a strategy. I have already proved all the conditions of ...