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» Computation with classical sequents
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92
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APPML
2005
99views more  APPML 2005»
15 years 21 days ago
A numerical study of iterative refinement schemes for weakly singular integral equations
Three iterative refinement schemes are studied for approximating the solutions of linear weakly singular Fredholm integral equations of the second kind. The rates of convergence a...
Filomena D. d'Almeida, Olivier Titaud, Paulo B. Va...
TCS
2008
15 years 21 days ago
Finding a minimum medial axis of a discrete shape is NP-hard
The medial axis is a classical representation of digital objects widely used in many applications. However, such a set of balls may not be optimal: subsets of the medial axis may ...
David Coeurjolly, Jérôme Hulin, Isabe...
JSC
2007
152views more  JSC 2007»
15 years 20 days ago
Complete involutive rewriting systems
Given a monoid string rewriting system M, one way of obtaining a complete rewriting system for M is to use the classical Knuth-Bendix critical pairs completion algorithm. It is we...
Gareth A. Evans, Christopher D. Wensley
84
Voted
COMBINATORICS
2000
71views more  COMBINATORICS 2000»
15 years 18 days ago
Diagonal Checker-jumping and Eulerian Numbers for Color-signed Permutations
Abstract. We introduce color-signed permutations to obtain a very explicit combinatorial interpretation of the q-Eulerian identities of Brenti and some generalizations. In particul...
Niklas Eriksen, Henrik Eriksson, Kimmo Eriksson
114
Voted
TCS
2002
15 years 13 days ago
Martin's game: a lower bound for the number of sets
We investigate Martin's game (as described in Arruda et al. (Eds.), On Random R. E. Sets, Non-Classical Logics, Model Theory and Computability, North-Holland, Amsterdam, 1977...
M. Ageev