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Exact Solutions for Evolutionary Strategies on Harmonic Landscapes
2004
Evolutionary Computation
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In this paper two different evolutionary strategies are tested by means of harmonic landscapes. ...
Confining ourselves to a special class of initial conditions, we show that, in the simple case of harmonic test potentials, both strategies possess particular analytical solutions of the same type. ...
Hilbert for valuable discussions. They also want to thank two unknown referees for their suggestions. This work was financially supported by the DFG via the Sfb 555 (L. S.-G. and J. ...
doi:10.1162/106365604773644305
pmid:15096302
fatcat:3leczho4s5g4zlmgtj3ibjsxbu
Exact Solutions for Evolutionary Strategies on Harmonic Landscapes
2004
Evolutionary Computation
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In this paper two different evolutionary strategies are tested by means of harmonic landscapes. ...
Confining ourselves to a special class of initial conditions, we show that, in the simple case of harmonic test potentials, both strategies possess particular analytical solutions of the same type. ...
Hilbert for valuable discussions. They also want to thank two unknown referees for their suggestions. This work was financially supported by the DFG via the Sfb 555 (L. S.-G. and J. ...
doi:10.1162/evco.2004.12.1.1
pmid:15096302
fatcat:gy3a5n6vsngynhblled2v3gsie
Oscillatory mean-field dynamos with a spherically symmetric, isotropic helical turbulence parameterα
2003
Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
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2002 pre-print arXiv:astro-ph/0210412v1 fatcat:evw5si32uvewroouo5nwck5tiy
We find such dynamos by means of an evolutionary strategy, and we illustrate the spectral properties of the corresponding dynamo operators. ...
This evolutionary strategy is very robust, and it can easily be used for the solution of different inverse spectral problems [8, 9] . ...
We use an evolutionary strategy (ES), with a "population" of "individuals" (parameter vectors that describe the function α(r)) evolving in a "fitness" landscape according to principles taken from biology ...
doi:10.1103/physreve.67.027302
pmid:12636866
fatcat:wxd4gckv4jcvhae2m5wlvzqpcq
Dynamic multi-objective optimization with evolutionary algorithms
2006
Proceedings of the 8th annual conference on Genetic and evolutionary computation - GECCO '06
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This work describes a forward-looking approach for the solution of dynamic (time-changing) problems using evolutionary algorithms. ...
This strategy can be applied to single objective and multi-objective problems, however in this work it is tested on multi-objective problems. ...
Hence the feed-forward prediction strategy is intended to have three basic qualities: First, the ability to respond to changes in the landscape and explore for new solutions; Second, the ability to take ...
doi:10.1145/1143997.1144187
dblp:conf/gecco/HatzakisW06
fatcat:xyep3b572nbadkewn7tmdgcqyq
Kramers problem in evolutionary strategies
2003
Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
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We calculate the escape rates of different dynamical processes for the case of a one-dimensional symmetric double-well potential. ...
We find that a combination of both scenarios, starting with the Fisher-Eigen strategy, provides a most effective evolutionary strategy. ...
On the basis of the exact solutions ͑17͒ and ͑36͒, we are now able to calculate approximate analytic expressions for the escape rates of both processes, which will be the subject of the following section ...
doi:10.1103/physreve.67.061118
pmid:16241210
fatcat:aedutac25vandethstv24ajlw4
Assessing the Likelihood of Recurrence during RNA Evolution in Vitro
2004
Artificial Life
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strategies used to invoke selection and to search the landscape, among others. ...
The recurrence experiments performed here on the 150-nucleotide ligase ribozyme demonstrate that it repeatedly jumps from one peak in a fitness landscape to another, apparently hurdling a deep fitness ...
Schmitt for useful discussions in the preparation of this manuscript, and NASA for a grant (NAG5-8815) that funded this study. ...
doi:10.1162/106454604322875887
pmid:15035860
fatcat:wi7jddexvrf7pje6d7bn7emniq
Social learning and the replication process: an experimental investigation
2015
Proceedings of the Royal Society of London. Biological Sciences
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Here, we used a specifically developed computer task to evaluate (i) the extent to which social learning leads to the replication of an observed behaviour and (ii) the consequences it has for fitness landscape ...
Rather, it appeared that individuals combine and transform information coming from multiple sources to produce new solutions. ...
We also wish to thank two anonymous reviewers for their useful comments on a previous version of this article. ...
doi:10.1098/rspb.2015.0719
pmid:25994679
pmcid:PMC4455816
fatcat:uthfnvmkt5dl7py4qzqhk6kfbe
Effective Solution of Ill-Posed Inverse Problems with Stabilized Forward Solver
[chapter]
2021
Lecture Notes in Computer Science
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This paper delivers the theoretical motivation for the common inverse/forward error scaling, that can reduce significantly the computational cost of the whole strategy. ...
AbstractWe consider inverse parametric problems for elliptic variational PDEs. They are solved through the minimization of misfit functionals. ...
The evolutionary HMS core is not capable of coping with such difficulties, but the whole strategy has additional modules for this purpose. ...
doi:10.1007/978-3-030-77964-1_27
fatcat:nt7ucbxmhbakvcbfyck2fbnvdy
Amplitude Spectra of Fitness Landscapes
1998
Advances in Complex Systems
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A reliable procedure for estimating the amplitude spectra is presented. The method is based on certain correlation functions that are easily obtained from empirical studies of the landscapes. ...
The amplitude spectrum obtained from the Fourier transform contains information about the ruggedness of the landscape. It can be used for classi cation and comparison purposes. ...
This development has been stimulated to some extent b y the application of evolutionary models to design so-called evolutionary algorithms|for instance the genetic algorithms GAs, evolution strategies ...
doi:10.1142/s0219525998000041
fatcat:jpznelh5ezh3vgwx4bskkdgpim
Sustainable and balanced development of Lithuanian Curonian spit and Neringa municipality: Planning and political aspects
2010
Technological and Economic Development of Economy
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The general development strategy is formed harmonizing the following development trends basic for this kind of territory: 1) natural conservation, 2) cultural conservation and 3) recreation. ...
whereas the current countering to Master Plan and incorrect chicanery regarding its solutions is an expression of ambitions and "revenge" on the Neringa Municipality. ...
The general development strategy of the territory of Neringa Municipality is formed harmonizing the following development trends basic for this kind of territory: 1) naturalcultural or cultural-natural ...
doi:10.3846/tede.2010.04
fatcat:kophw6fyb5ftjkmwpvuplg5bke
Addition of Darwin's Third Dimension to Phyletic Trees
1996
Journal of Theoretical Biology
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A three-dimensional (3D) approach for visualizing the phyletic relationship of living animals is proposed and developed as an alternative to current two-dimensional (2D) evolutionary trees. ...
Second, linear connections are added to suggest a visual representation of the differing evolutionary trajectories of the organisms involved on the basis of a 2D tree algorithm. ...
Hass for her critical review of this manuscript, Dr. Suse Broyde for introducing the group of authors to one another and inspiring this collaboration, and Mr. ...
doi:10.1006/jtbi.1996.0191
pmid:8944896
fatcat:f3jyy5maoja2fbtrjhxgarrq54
A stochastic version of the Price equation reveals the interplay of deterministic and stochastic processes in evolution
2008
BMC Evolutionary Biology
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Evolution involves both deterministic and random processes, both of which are known to contribute to directional evolutionary change. ...
Consequences for adaptive landscape models The concept a surface describing fitness as a function of a set of phenotypic traits (one version of the "adaptive landscape"), has a long history in evolutionary ...
However, the change in mean phenotype (of which a special case is change in the frequency of an allele or strategy) is one of the most basic pieces of formal evolutionary theory. ...
doi:10.1186/1471-2148-8-262
pmid:18817569
pmcid:PMC2577117
fatcat:twr4qpwh6ze6rdyjmampl2yxby
Usefulness of infeasible solutions in evolutionary search: An empirical and mathematical study
2013
2013 IEEE Congress on Evolutionary Computation
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of the fitness landscape. ...
When evolutionary algorithms are used to solve constrained optimization problems, the question arises how best to deal with infeasible solutions in the search space. ...
While we have not been able to derive an exact closed-form solution for these equations, some partial results follow. H j is the j th harmonic number. ...
doi:10.1109/cec.2013.6557723
dblp:conf/cec/WhileH13
fatcat:66tramr7zbbadi2eexxcovfd5m
Optimal migratory behavior in spatially-explicit seasonal environments
2014
Discrete and continuous dynamical systems. Series B
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In this framework, optimal movement strategies can be classified into six different regimes, based on the cost of movement, the strength and scale of seasonal resource variation, and the degree of trade-off ...
In this paper, we address this last question using a model for the evolution of migration in a density-independent, spatially-explicit setting when movement is costly based on the harvesting a single resource ...
This research was supported by NSF grants DMS-0920822 to TCR and OISE-1159097 to AKS and is dedicated to Chris Cosner for his valuable on-going contributions to theoretical population biology. ...
doi:10.3934/dcdsb.2014.19.3359
fatcat:bcnldbwbcve65iofmnxofhy5jy
CHAMP: Creating heuristics via many parameters for online bin packing
2016
Expert systems with applications
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The empirical results indicate the success of the proposed approach, providing the best solutions for all item sequence generators used during the experiments. ...
We investigate a 'policy matrix' representation which assigns a score for each decision option independently and the option with the highest value is chosen for one dimensional online bin packing. ...
Naturally, as standard for fitness landscape analysis, the results are based on a particular neighbourhood (which depends mainly on the solution representation), as well as the move operators employed. ...
doi:10.1016/j.eswa.2016.07.005
fatcat:vwjuh5agbbdghojjskw7kysh34
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