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Wyszukujesz frazę "automata" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
The use of complexity hierarchies in descriptive set theory and automata theory
Autorzy:
Andretta, A.
Camerlo, R.
Powiązania:
https://bibliotekanauki.pl/articles/1964199.pdf
Data publikacji:
2005
Wydawca:
Politechnika Gdańska
Tematy:
hierarchies
infinite games
Borel reducibility
automata theory
Opis:
The concept of a reduction between subsets of a given space is described, giving rise to various complexity hierarchies, studied both in descriptive set theory and in automata theory. We discuss in particular the Wadge and Lipschitz hierarchies for subsets of the Baire and Cantor spaces and the hierarchy of Borel reducibility for finitary relations on standard Borel spaces. The notions of Wadge and Lipschitz reductions are related to corresponding perfect information games.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2005, 9, 3; 337-356
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulating the spread of the BSE disease: a cellular automata approach
Autorzy:
Magdoń-Maksymowicz, M.
Maksymowicz, A. Z.
Powiązania:
https://bibliotekanauki.pl/articles/1964173.pdf
Data publikacji:
2005
Wydawca:
Politechnika Gdańska
Tematy:
computer simulation
disease spreading
BSE
cellular automata method
Opis:
The rules of evolution applied in the cellular automata approach may correspond to the propagation of the mad cow disease. In a computer simulation of the BSE disease's spread both inherited and infectious mechanisms are accounted for. The initial population of items is randomly distributed on a two-dimensional square lattice, Nx × Ny = 1000 × 1000, with a fraction of 1 percent the items already infected. Alternatively, faulty prions may spontaneously develop during the simulation with a very small frequency. Our results indicate a critical probability, pc, of BSE transmission, so that for p below the threshold the population recovers. For p > pc the disease is launched in the population with a dynamic equilibrium between the healthy and infected fractions of the population. The threshold is very sensitive to spatial clustering of the population and the detailed rules for the disease's onset, evolution and propagation.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2005, 9, 2; 179-185
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of a cellular automata model to granular flow
Autorzy:
Kozicki, J.
Tejchman, J.
Powiązania:
https://bibliotekanauki.pl/articles/1986936.pdf
Data publikacji:
2002
Wydawca:
Politechnika Gdańska
Tematy:
cellular automata
granular flow
silo
passive state
active state
Opis:
Paper presents the results of simulations of granular flow with a cellular automata model. Flow of granular material behind a moving retaining wall and in a silo with inserts was numerically analysed. Two different migration schemes during flow were assumed. Advantages and limits of the model were outlined.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2002, 6, 3; 429-436
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Individual-based model of self-reproduction system
Autorzy:
Jędruch, W.
Gramza, M.
Powiązania:
https://bibliotekanauki.pl/articles/1965894.pdf
Data publikacji:
2001
Wydawca:
Politechnika Gdańska
Tematy:
individual-based modelling
artifical life
cellular automata
emergent processes
self-modification
self-organization
Opis:
The paper presents results of a few preliminary simulation experiments of a self-reproduction system realized in a programming environment for individual-based modelling of physical systems and discusses the advantages and difficulties of such modelling. The programming environment named an abstract universe, is aimed at modelling of complex systems which manifest the self-organization, self-modification, growing and emergent behavior. The central idea of the universe are specific interactions of its entities in a two dimensional space. The entities move and collide according to rules like those of classical mechanics, and interact between themselves according to function encoded in them modifying their structures and functions.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2001, 5, 3; 373-387
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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