
AbstractWe prove that the determinacy of Gale-Stewart games whose winning sets are accepted by realtime 1-counter Büchi automata is equivalent to the determinacy of (effective) analytic Gale-Stewart games which is known to be a large cardinal assumption. We show also that the determinacy of Wadge games between two players in charge ofω-languages accepted by 1-counter Büchi automata is equivalent to the (effective) analytic Wadge determinacy. Using some results of set theory we prove that one can effectively construct a 1-counter Büchi automatonand a Büchi automatonsuch that: (1) There exists a model of ZFC in which Player 2 has a winning strategy in the Wadge gameW(L(),L()); (2) There exists a model of ZFC in which the Wadge gameW(L(),L()) is not determined. Moreover these are the only two possibilities, i.e. there are no models of ZFC in which Player 1 has a winning strategy in the Wadge gameW(L(),L()).
FOS: Computer and information sciences, Computer Science - Logic in Computer Science, [INFO.INFO-LO] Computer Science [cs]/Logic in Computer Science [cs.LO], [INFO.INFO-DS] Computer Science [cs]/Data Structures and Algorithms [cs.DS], effective analytic determinacy, models of set theory, independence from the axiomatic system ZFC, context-free games, Computer Science - Computer Science and Game Theory, Gale-Stewart games, FOS: Mathematics, logic in computer science, Automata and formal languages, 1-counter automaton, independence from the axiomatic system ZFC., Mathematics - Logic, 004, Logic in Computer Science (cs.LO), Wadge games, [INFO.INFO-GT] Computer Science [cs]/Computer Science and Game Theory [cs.GT], [MATH.MATH-LO] Mathematics [math]/Logic [math.LO], [INFO.INFO-CC] Computer Science [cs]/Computational Complexity [cs.CC], determinacy, Logic (math.LO), Computer Science and Game Theory (cs.GT)
FOS: Computer and information sciences, Computer Science - Logic in Computer Science, [INFO.INFO-LO] Computer Science [cs]/Logic in Computer Science [cs.LO], [INFO.INFO-DS] Computer Science [cs]/Data Structures and Algorithms [cs.DS], effective analytic determinacy, models of set theory, independence from the axiomatic system ZFC, context-free games, Computer Science - Computer Science and Game Theory, Gale-Stewart games, FOS: Mathematics, logic in computer science, Automata and formal languages, 1-counter automaton, independence from the axiomatic system ZFC., Mathematics - Logic, 004, Logic in Computer Science (cs.LO), Wadge games, [INFO.INFO-GT] Computer Science [cs]/Computer Science and Game Theory [cs.GT], [MATH.MATH-LO] Mathematics [math]/Logic [math.LO], [INFO.INFO-CC] Computer Science [cs]/Computational Complexity [cs.CC], determinacy, Logic (math.LO), Computer Science and Game Theory (cs.GT)
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