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MFCS
2007
Springer
14 years 1 months ago
NP by Means of Lifts and Shadows
We show that every NP problem is polynomially equivalent to a simple combinatorial problem: the membership problem for a special class of digraphs. These classes are defined by me...
Gábor Kun, Jaroslav Nesetril
DAC
2010
ACM
13 years 11 months ago
Lattice-based computation of Boolean functions
This paper studies the implementation of Boolean functions with lattices of two-dimensional switches. Each switch is controlled by a Boolean literal. If the literal is 1, the swit...
Mustafa Altun, Marc D. Riedel
COMPGEOM
1995
ACM
13 years 11 months ago
How Good are Convex Hull Algorithms?
A convex polytope P can be speci ed in two ways: as the convex hull of the vertex set V of P, or as the intersection of the set H of its facet-inducing halfspaces. The vertex enum...
David Avis, David Bremner
ATVA
2011
Springer
213views Hardware» more  ATVA 2011»
12 years 7 months ago
Max and Sum Semantics for Alternating Weighted Automata
Abstract. In the traditional Boolean setting of formal verification, alternating automata are the key to many algorithms and tools. In this setting, the correspondence between dis...
Shaull Almagor, Orna Kupferman
ISAAC
2003
Springer
141views Algorithms» more  ISAAC 2003»
14 years 24 days ago
Quasi-optimal Arithmetic for Quaternion Polynomials
Abstract. Fast algorithms for arithmetic on real or complex polynomials are wellknown and have proven to be not only asymptotically efficient but also very practical. Based on Fas...
Martin Ziegler