Computational methods in codes and games

Julkaisun otsikon käännös: Computational methods in codes and games

Esa A. Seuranen

    Tutkimustuotos: Doctoral ThesisCollection of Articles

    Abstrakti

    This dissertation discusses exhaustive search algorithms and heuristic search methods in combinatorial optimization, including combinatorial games. In this work unidirectional covering codes are introduced and some theoretical foundations for them are laid. Exhaustive search is used to construct asymmetric covering codes, unidirectional covering codes and multiple coverings with given parameters—or to show that no such codes exist. Integer programming formulations, bounds on maximal coverages of partial codes and code isomorphisms are used to prune the search space. Tabu search is used to construct asymmetric and unidirectional covering codes—with several record-breaking codes for the former. A new definition for neighborhood is derived. The traditional board game of go and computer go results are reviewed. The concept of entropy is introduced into the game context as a metric for complexity and for relevance (of features—like distance to the previous move). Experimental results and questionnaire studies are presented to support the use of entropy.
    Julkaisun otsikon käännösComputational methods in codes and games
    AlkuperäiskieliEnglanti
    PätevyysTohtorintutkinto
    Myöntävä instituutio
    • Aalto-yliopisto
    Valvoja/neuvonantaja
    • Östergård, Patric, Vastuuprofessori
    • Östergård, Patric, Ohjaaja
    Kustantaja
    Painoksen ISBN978-952-60-4369-2
    Sähköinen ISBN978-952-60-4370-8
    TilaJulkaistu - 2011
    OKM-julkaisutyyppiG5 Artikkeliväitöskirja

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