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JCT
2008
120views more  JCT 2008»
15 years 5 months ago
Approximate min-max theorems for Steiner rooted-orientations of graphs and hypergraphs
Given an undirected hypergraph and a subset of vertices S V with a specified root vertex r S, the STEINER ROOTED-ORIENTATION problem is to find an orientation of all the hypered...
Tamás Király, Lap Chi Lau
129
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ORL
2008
82views more  ORL 2008»
15 years 5 months ago
On test sets for nonlinear integer maximization
A finite test set for an integer optimization problem enables us to verify whether a feasible point attains the global optimum. We establish in this paper several general results ...
Jon Lee, Shmuel Onn, Robert Weismantel
123
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GECCO
2008
Springer
129views Optimization» more  GECCO 2008»
15 years 6 months ago
Estimation of pump-curves using genetic algorithms
This paper presents a variety of different ways of estimating the general parameters for pump-curves. First a formulation is made that converts the problem into estimating four p...
Gerulf K. M. Pedersen, Zhenyu Yang
171
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DIS
2000
Springer
15 years 9 months ago
A Practical Algorithm to Find the Best Subsequence Patterns
Given two sets of strings, consider the problem to find a subsequence that is common to one set but never appears in the other set. The problem is known to be NP-complete. We gene...
Masahiro Hirao, Hiromasa Hoshino, Ayumi Shinohara,...
129
Voted
PPSN
2000
Springer
15 years 8 months ago
An Analysis of Dynamic Severity and Population Size
This work introduces a general mathematical framework for non-stationary fitness functions which enables the exact definition of certain problem properties. The properties' in...
Karsten Weicker