Please use this identifier to cite or link to this item: http://hdl.handle.net/2381/33349
 Title: Algorithms for Büchi Games Authors: Chatterjee, K.Henzinger, Thomas A.Piterman, Nir First Published: 16-May-2008 Citation: 2008 Abstract: The classical algorithm for solving B\"uchi games requires time $O(n\cdot m)$ for game graphs with $n$ states and $m$ edges. For game graphs with constant outdegree, the best known algorithm has running time $O(n^2/\log n)$. We present two new algorithms for B\"uchi games. First, we give an algorithm that performs at most $O(m)$ more work than the classical algorithm, but runs in time O(n) on infinitely many graphs of constant outdegree on which the classical algorithm requires time $O(n^2)$. Second, we give an algorithm with running time $O(n\cdot m\cdot\log\delta(n)/\log n)$, where $1\le\delta(n)\le n$ is the outdegree of the game graph. Note that this algorithm performs asymptotically better than the classical algorithm if $\delta(n)=O(\log n)$. Links: http://arxiv.org/abs/0805.2620v1http://hdl.handle.net/2381/33349 Version: Post-print Status: Peer-reviewed Type: Conference Paper Rights: Copyright © 2008, the author. Description: 11 Pages, Published in GDV 06 (Games in Design and Verification) Appears in Collections: Published Articles, Dept. of Computer Science

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