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» Hereditary Properties of Tournaments
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IFIPTCS
2010
13 years 7 months ago
A Logic on Subobjects and Recognizability
We introduce a simple logic that allows to quantify over the subobjects of a categorical object. We subsequently show that, for the category of graphs, this logic is equally expres...
Harrie Jan Sander Bruggink, Barbara König
EVOW
2010
Springer
13 years 7 months ago
New Genetic Operators in the Fly Algorithm: Application to Medical PET Image Reconstruction
Abstract. This paper presents an evolutionary approach for image reconstruction in positron emission tomography (PET). Our reconstruction method is based on a cooperative coevoluti...
Franck Patrick Vidal, Jean Louchet, Jean-Marie Roc...
IFIP
2005
Springer
14 years 3 months ago
A New Low Rank Quasi-Newton Update Scheme for Nonlinear Programming
A new quasi-Newton scheme for updating a low rank positive semi-definite Hessian approximation is described, primarily for use in sequential quadratic programming methods for non...
R. Fletcher
JAL
1998
85views more  JAL 1998»
13 years 9 months ago
Isomorph-Free Exhaustive Generation
We describe a very general technique for generating families of combinatorial objects without isomorphs. It applies to almost any class of objects for which an inductive construct...
Brendan D. McKay
PPSN
2000
Springer
14 years 1 months ago
Spatial Games with Adaptive Tit-For-Tats
This paper presents an adaptive tit-for-tat strategy and a study of its behavior in spatial IPD games. The adaptive tit-for-tat strategy is shown elsewhere to demonstrate high perf...
Elpida Tzafestas