19 search results - page 3 / 4 » Resolution lower bounds for the weak pigeonhole principle |
APAL
2004
13 years 7 months ago
2004
We study the extension (introduced as BT in [5]) of the theory S1 2 by instances of the dual (onto) weak pigeonhole principle for p-time functions, dWPHP(PV )x x2 . We propose a n...
SIAMCOMP
2002
13 years 7 months ago
2002
We consider several problems related to the use of resolution-based methods for determining whether a given boolean formula in conjunctive normal form is satisfiable. First, build...
TAMC
2010
Springer
14 years 21 days ago
2010
Springer
We study possible formulations of algebraic propositional proof systems operating with noncommutative formulas. We observe that a simple formulation gives rise to systems at least ...
MLQ
2010
13 years 6 months ago
2010
We investigate the provability of some properties of abelian groups and quadratic residues in variants of bounded arithmetic. Specifically, we show that the structure theorem for...
CCA
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. In this paper we study a reducibility that has been introduced by Klaus Weihrauch or, more precisely, a natural extension of this reducibility for multi-valued functions ...