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MFCS
2005
Springer
14 years 4 months ago
Inverse Monoids: Decidability and Complexity of Algebraic Questions
This paper investigates the word problem for inverse monoids generated by a set Γ subject to relations of the form e = f, where e and f are both idempotents in the free inverse m...
Markus Lohrey, Nicole Ondrusch
STACS
2010
Springer
14 years 5 months ago
Reflections on Multivariate Algorithmics and Problem Parameterization
Research on parameterized algorithmics for NP-hard problems has steadily grown over the last years. We survey and discuss how parameterized complexity analysis naturally develops i...
Rolf Niedermeier
CSR
2007
Springer
14 years 4 months ago
Equivalence Problems for Circuits over Sets of Natural Numbers
We investigate the complexity of equivalence problems for {∪, ∩, − , +, ×}-circuits computing sets of natural numbers. These problems were first introduced by Stockmeyer an...
Christian Glaßer, Katrin Herr, Christian Rei...
GECCO
2005
Springer
136views Optimization» more  GECCO 2005»
14 years 4 months ago
Computing the epistasis variance of large-scale traveling salesman problems
The interaction among variables of an optimization problem is known as epistasis, and its degree is an important measure for the nonlinearity of the problem. We address the proble...
Dong-il Seo, Byung Ro Moon
DAGSTUHL
2006
14 years 4 days ago
Constraint Satisfaction with Succinctly Specified Relations
Abstract. The general intractability of the constraint satisfaction problem (CSP) has motivated the study of the complexity of restricted cases of this problem. Thus far, the liter...
Hubie Chen, Martin Grohe