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- Hans-Georg Beyer, Alexander Melkozerov
- IEEE Trans. Evolutionary Computation
- 2014

The optimization behavior of the self-adaptation (SA) evolution strategy (ES) with intermediate multirecombination (the (μ/μI , λ)-σSA-ES) using isotropic mutations is investigated on convex-quadratic functions (referred to as ellipsoid model). An asymptotically exact quadratic progress rate formula is derived. This is used to model the dynamical ES system… (More)

- Steffen Finck, Hans-Georg Beyer, Alexander Melkozerov
- GECCO
- 2011

This paper presents a performance comparison of 4 direct search strategies in continuous search spaces using the noisy sphere as test function. While the results of the Evolution Strategy (ES), Evolutionary Gradient Search (EGS), Simultaneous Perturbation Stochastic Approximation (SPSA) considered are already known from literature, Implicit Filtering (IF)… (More)

- Hans-Georg Beyer, Alexander Melkozerov
- PPSN
- 2008

This paper presents a performance analysis of the recently proposed σ-self-adaptive weighted recombination evolution strategy (ES) with scaled weights. The steady state behavior of this ES is investigated for the non-noisy and noisy case, and formulas for the optimal choice of the learning parameter are derived allowing the strategy to reach maximal… (More)

- Dirk V. Arnold, Hans-Georg Beyer, Alexander Melkozerov
- GECCO
- 2009

Cigar functions are convex quadratic functions that are characterised by the presence of only two distinct eigenvalues of their Hessian, the smaller one of which occurs with multiplicity one. Their ridge-like topology makes them a useful test case for optimisation strategies. This paper extends previous work on modelling the behaviour of evolution… (More)

- Alexander Melkozerov, Hans-Georg Beyer
- GECCO
- 2010

In this paper, first results on the analysis of self-adaptive evolution strategies (ES) with intermediate multirecombination on the elliptic model are presented. Equations describing the ES behavior on the ellipsoid will be derived using a deterministic approach and experimentally verified. A relationship between newly obtained formulae for the elliptic… (More)

- Alexander Melkozerov, Hans-Georg Beyer
- GECCO
- 2015

This paper analyzes the multi-recombinant self-adaptive evolution strategy (ES), denoted as(μ/μ<sub>I</sub>, λ)-σSA-ES on the convex-quadratic function class under the influence of noise, which is referred to as noisy ellipsoid model. Asymptotically exact progress rate and self-adaptation response measures are derived (i.e., for <i>N</i>… (More)

- Talgat Gazizov, Alexander Melkozerov, +6 authors Ilya Kalimulin
- 2014 International Conference on Numerical…
- 2014

The paper presents and summarizes theoretical and practical results of the UEM-TUSUR project which is focused on the development of approaches, technologies and software for EMC simulation of unified electronic modules of spaceborne equipment. Theoretical and practical results for quasi-static and electromagnetic analysis, solution of linear algebraic… (More)

- Hans-Georg Beyer, Alexander Melkozerov
- GECCO
- 2008

This paper proposes the <i>σ-self-adaptive weighted multirecombination evolution strategy</i> (ES) and presents a performance analysis of this newly engineered ES. The steady state behavior of this strategy is investigated on the sphere model and a formula for the optimal choice of the learning parameter is derived allowing the ES to reach maximal… (More)

- N F Popkov, E A Ryaslov, V I Kargin, A S Pikar', D V Kotel'nikov, A V Melkozerov
- Journal of X-ray science and technology
- 1995

The results of experiments with a plasma x-ray source in the PIRIT-2000 facility are presented in this paper. The facility is designed with module capacitive energy storage energizing vacuum inductive storage. The formation of a rapidly growing current pulse as well as its commutation on a load was carried out by a plasma opening switch. A vacuum diode as… (More)

- Benjamin Hofner, Andreas Mayr, +10 authors Christoph Bernau
- 2011

Stefanie Hieke (Freiburg) Min P-test: a resampling based gene region-level testing procedure for genetic case-control studies implemented in R 09:30-10:00 Michel Lang (Dortmund) Survival models with preclustered gene groups as covariates 10:00-10:30 Aslihan Gerhold-Ay (Mainz) Evaluation and validation of gene expression signatures for prognostic use in… (More)