Model of biological evolution with threshold dynamics and infinitely many absorbing states

Authors
Lipowski, A Lopata, M
Citation
A. Lipowski et M. Lopata, Model of biological evolution with threshold dynamics and infinitely many absorbing states, PHYS REV E, 60(2), 1999, pp. 1516-1519
Citations number
22
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW E
ISSN journal
1063651X → ACNP
Volume
60
Issue
2
Year of publication
1999
Part
A
Pages
1516 - 1519
Database
ISI
SICI code
1063-651X(199908)60:2<1516:MOBEWT>2.0.ZU;2-B
Abstract
We study a model of biological evolution where the survival of a given spec ies depends on its interactions with neighboring species. In the steady sta te the model has an active phase and an absorbing phase, which are separate d by the critical point of the directed percolation universality class. The absorbing phase is infinitely degenerate and the dynamical behavior of our model is found to be nonuniversal. [S1063-651X(99)12908-8].