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» Duality in Infinite Graphs
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SIAMDM
2008
79views more  SIAMDM 2008»
13 years 8 months ago
Reconfigurations in Graphs and Grids
Let G be a connected graph, and let V and V two n-element subsets of its vertex set V (G). Imagine that we place a chip at each element of V and we want to move them into the posi...
Gruia Calinescu, Adrian Dumitrescu, János P...
AIML
2008
13 years 10 months ago
A modal perspective on monadic second-order alternation hierarchies
abstract. We establish that the quantifier alternation hierarchy of formulae of Second-Order Propositional Modal Logic (SOPML) induces an infinite corresponding semantic hierarchy ...
Antti Kuusisto
ACS
2010
13 years 8 months ago
Fibrations of Simplicial Sets
There are infinitely many variants of the notion of Kan fibration that, together with suitable choices of cofibrations and the usual notion of weak equivalence of simplicial sets, ...
Tibor Beke
ENTCS
2008
70views more  ENTCS 2008»
13 years 8 months ago
Spatial Differentiation and Positive Circuits in a Discrete Framework
Abstract. The biologist R. Thomas has enounced a rule relating multistationnarity in a system of genes interacting in a single cell to the existence of a positive circuit in the re...
Anne Crumière, Paul Ruet
JGT
2008
150views more  JGT 2008»
13 years 8 months ago
Cycle spaces in topological spaces
: We develop a general model of edge spaces in order to generalize, unify, and simplify previous work on cycle spaces of infinite graphs. We give simple topological criteria to sho...
Antoine Vella, R. Bruce Richter