| Seasonal variance in P system models for metapopulations |
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| 作者单位： | Daniela Besozzi（Università degli Studi di Milano,Dipartimento di Informatica e Comunicazione,Via Comelico 39,20135 Milano,Italy） ;
Paolo Cazzaniga（Università degli Studi di Milano-Bicocca,Dipartimento di Informatica,Sistemistica e Comunicazione,Via Bicocca degli Arcimboldi 8,20126 Milano,Italy） ;
Dario Pescini（Università degli Studi di Milano-Bicocca,Dipartimento di Informatica,Sistemistica e Comunicazione,Via Bicocca degli Arcimboldi 8,20126 Milano,Italy） ;
Giancarlo Mauri（Università degli Studi di Milano-Bicocca,Dipartimento di Informatica,Sistemistica e Comunicazione,Via Bicocca degli Arcimboldi 8,20126 Milano,Italy） ; |
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| 基金项目： | Supported by the Italian Ministry of University (MIUR), under projects PRIN-04 "Systems Biology: modellazione, linguaggi e analisi (SYBILLA)" and PRIN-05 "Automi e Linguaggi Formali: aspetti matematici e applicativi". |
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| 摘 要： | Metapopulations are ecological models describing the interactions and the behavior of populations living in fragmented habitats. In this paper, metapopulations are modelled by means of dynamical probabilistic P systems, where additional structural features have been defined (e.g., a weighted graph associated with the membrane structure and the reduction of maximal parallelism). In particular, we investigate the influence of stochastic and periodic resource feeding processes, owing to seasonal variance, on emergent metapopulation dynamics.
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Seasonal variance in P system models for metapopulations |
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| Authors: | Daniela Besozzi Paolo Cazzaniga Dario Pescini Giancarlo Mauri |
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| Abstract: | Metapopulations are ecological models describing the interactions and the behavior of populations living in fragmented habitats. In this paper, metapopulations are modelled by means of dynamical probabilistic P systems, where additional structural features have been defined (e.g., a weighted graph associated with the membrane structure and the reduction of maximal parallelism). In particular, we investigate the influence of stochastic and periodic resource feeding processes, owing to seasonal variance, on emergent metapopulation dynamics. |
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| Keywords: | P system metapopulation stochastic ecological model |
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