Abstract
We study infinite games where one of the players always has a positional (memory-less) winning strategy, while the other player may use a history-dependent strategy. We investigate winning conditions which guarantee such a property for all arenas, or all finite arenas. Our main result is that this property is decidable in single exponential time for a given prefix independent ω-regular winning condition. We also exhibit a big class of winning conditions (XPS) which has this property.
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Kopczyński, E. (2007). Omega-Regular Half-Positional Winning Conditions. In: Duparc, J., Henzinger, T.A. (eds) Computer Science Logic. CSL 2007. Lecture Notes in Computer Science, vol 4646. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74915-8_7
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DOI: https://doi.org/10.1007/978-3-540-74915-8_7
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