Chapter 1. Introduction.- Chapter 2. Foundations of evolutionary algorithms.- Chapter 3. Stable distributions.- Chapter 4. Non-isotropic stable mutation.- Chapter 5. Isotropic stable mutation.- Chapter 6. Stable mutation with the discrete spectral measure.- Chapter 7. Isotropic mutation based on an -stable generator.- Chapter 8. Mutation based on directional distributions.- Chapter 9. Conclusions.- References.- Appendix A Saddle crossing problem.- Appendix B Benchmark functions. leírás elrejtése