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This paper discusses investigations of sequences of natural numbers which count the orbits of an in nite permutation group on n-sets or n-tuples. It surveys known results on the g...
d Abstract) James Aspnes Maurice Herlihyy Nir Shavitz Digital Equipment Corporation Cambridge Research Lab CRL 90/11 September 18, 1991 Many fundamental multi-processor coordinati...
Abstract. Kernelizations are an important tool in designing fixed parameter algorithms for parameterized decision problems. We introduce an analogous notion for counting problems,...