European Society
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225597

Projection complete graph problems corresponding to a Branching-program-based characterization of the complexity classes nc1 ,land nl

Christoph Meinel

pp. 283-292

Abstract

The p-projection completeness of some restricted graph accessibility problems for the (nonuniform) complexity classes NC 1L and NL will be proved by means of branching-program-based characterizations of these classes. A simulation result concerning polynomial-size, bounded-width disjunctive branching programs and polynomial-size, bounded-width usual ones yields that NC 1=L implies L=NL. Some consequences of these results for separating these classes are discussed.

Publication details

Published in:

Skordev Dimiter G (1987) Mathematical logic and its applications. Dordrecht, Springer.

Pages: 283-292


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DOI: 10.1007/978-1-4613-0897-3_20

Full citation:

Meinel Christoph (1987) „Projection complete graph problems corresponding to a Branching-program-based characterization of the complexity classes nc1 ,land nl“, In: D.G. Skordev (ed.), Mathematical logic and its applications, Dordrecht, Springer, 283–292.