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AAAI
2012
11 years 7 months ago
A Dichotomy for 2-Constraint Forbidden CSP Patterns
Novel tractable classes of the binary CSP (constraint satisfaction problem) have recently been discovered by studying classes of instances defined by excluding subproblems descri...
Martin C. Cooper, Guillaume Escamocher
COMBINATORICA
2010
13 years 2 months ago
A new approach to the Ramsey-type games and the Gowers dichotomy in F-spaces
We give a new approach to the Ramsey-type results of Gowers on block bases in Banach spaces and apply our results to prove the Gowers dichotomy in F-spaces.
George Androulakis, Stephen J. Dilworth, Nigel J. ...
CORR
2010
Springer
135views Education» more  CORR 2010»
13 years 3 months ago
The Dichotomy of List Homomorphisms for Digraphs
The Dichotomy Conjecture for Constraint Satisfaction Problems has been verified for conservative problems (or, equivalently, for list homomorphism problems) by Andrei Bulatov. An ...
Pavol Hell, Arash Rafiey