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SODA
2010
ACM
235views Algorithms» more  SODA 2010»
14 years 7 months ago
Algorithmic Lower Bounds for Problems Parameterized by Clique-width
Many NP-hard problems can be solved efficiently when the input is restricted to graphs of bounded tree-width or clique-width. In particular, by the celebrated result of Courcelle,...
Fedor V. Fomin, Petr A. Golovach, Daniel Lokshtano...
IGPL
2011
13 years 4 months ago
Completion and amalgamation of bounded distributive quasi lattices
In this note we present a completion for the variety of bounded distributive quasi lattices, and, inspired by a well-known idea of L.L. Maksimova [14], we apply this result in prov...
Majid Alizadeh, Antonio Ledda, Hector Freytes
SAGA
2009
Springer
14 years 4 months ago
Bounds for Multistage Stochastic Programs Using Supervised Learning Strategies
We propose a generic method for obtaining quickly good upper bounds on the minimal value of a multistage stochastic program. The method is based on the simulation of a feasible dec...
Boris Defourny, Damien Ernst, Louis Wehenkel
CORR
2004
Springer
95views Education» more  CORR 2004»
13 years 9 months ago
Long Nonbinary Codes Exceeding the Gilbert - Varshamov Bound for any Fixed Distance
Let ( ) denote the maximum size of a -ary code of length and distance . We study the minimum asymptotic redundancy ( ) = log ( ) as grows while and are fixed. For any and 1, long a...
Sergey Yekhanin, Ilya Dumer
LICS
2006
IEEE
14 years 3 months ago
On Tractability and Congruence Distributivity
Constraint languages that arise from finite algebras have recently been the object of study, especially in connection with the Dichotomy Conjecture of Feder and Vardi. An importa...
Emil W. Kiss, Matthew Valeriote