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IPL
2010
107views more  IPL 2010»
15 years 2 months ago
Disjoint pattern matching and implication in strings
We deal with the problem of deciding whether a given set of string patterns implies the presence of a fixed pattern. While checking whether a set of patterns occurs in a string i...
Leonid Libkin, Cristina Sirangelo
FSTTCS
2001
Springer
15 years 8 months ago
On Polynomial Representations of Boolean Functions Related to Some Number Theoretic Problems
We say a polynomial P over ZZM strongly M -represents a Boolean function F if F(x) ≡ P(x) (mod M) for all x ∈ {0, 1}n . Similarly, P one-sidedly M -represents F if F(x) = 0 ⇐...
Erion Plaku, Igor Shparlinski
TLCA
2007
Springer
15 years 10 months ago
Polynomial Size Analysis of First-Order Functions
We present a size-aware type system for first-order shapely function definitions. Here, a function definition is called shapely when the size of the result is determined exactly...
Olha Shkaravska, Ron van Kesteren, Marko C. J. D. ...
FOCS
1991
IEEE
15 years 7 months ago
Computing Sums of Radicals in Polynomial Time
For sums of radicals Pk i=1 i di p i, where i; i are elements of some real algebraic number eld Q( ); di p i 2 R; we present a deterministic polynomial time algorithm to decide wh...
Johannes Blömer
SBIA
2004
Springer
15 years 9 months ago
Towards Polynomial Approximations of Full Propositional Logic
Abstract. The aim of this paper is to study a family of logics that approximates classical inference, in which every step in the approximation can be decided in polynomial time. Fo...
Marcelo Finger