Zobrazeno 1 - 10
of 85
pro vyhledávání: '"Redner, Sidney"'
Function diversity, namely, the range of tasks individuals can perform, is essential to productive organizations. This concept has been studied in disparate discipline contexts, while general patterns and mechanisms remain unclear. Here, we first ana
Externí odkaz:
http://arxiv.org/abs/2208.06487
We develop a framework to determine the complete statistical behavior of a fundamental quantity in the theory of random walks, namely, the probability that $n_1$, $n_2$, $n_3$, . . . distinct sites are visited at times $t_1$, $t_2$, $t_3$, ... . From
Externí odkaz:
http://arxiv.org/abs/2202.13820
Autor:
Hébert-Dufresne, Laurent, Pellegrini, Adam F. A., Bhat, Uttam, Redner, Sidney, Pacala, Stephen W., Berdahl, Andrew M.
In tropical regions, fires propagate readily in grasslands but typically consume only edges of forest patches. Thus forest patches grow due to tree propagation and shrink by fires in surrounding grasslands. The interplay between these competing edge
Externí odkaz:
http://arxiv.org/abs/1802.04892
The eco-evolutionary dynamics of species are fundamentally linked to the energetic constraints of its constituent individuals. Of particular importance is the interplay between reproduction and the dynamics of starvation and recovery. To elucidate th
Externí odkaz:
http://arxiv.org/abs/1608.08995
Publikováno v:
Phys. Rev. E 92, 012806 (2015)
We generalize the classical Bass model of innovation diffusion to include a new class of agents --- Luddites --- that oppose the spread of innovation. Our model also incorporates ignorants, susceptibles, and adopters. When an ignorant and a susceptib
Externí odkaz:
http://arxiv.org/abs/1505.02020
Publikováno v:
Journal of Statistical Physics 151 (1-2), 1-8 (2013)
This editorial opens the special issues that the Journal of Statistical Physics has dedicated to the growing field of statistical physics modeling of social dynamics. The issues include contributions from physicists and social scientists, with the go
Externí odkaz:
http://arxiv.org/abs/1304.1171
Autor:
Redner, Sidney
Publikováno v:
In Comptes rendus - Physique May-June 2019 20(4):275-292
Autor:
Clauset, Aaron, Redner, Sidney
Publikováno v:
Phys. Rev. Lett. 102, 038103 (2009)
We present a quantitative model for the biological evolution of species body masses within large groups of related species, e.g., terrestrial mammals, in which body mass M evolves according to branching (speciation), multiplicative diffusion, and an
Externí odkaz:
http://arxiv.org/abs/0808.4014
Publikováno v:
American Naturalist 173, 256-263 (2009)
Within large taxonomic assemblages, the number of species with adult body mass M is characterized by a broad but asymmetric distribution, with the largest mass being orders of magnitude larger than the typical mass. This canonical shape can be explai
Externí odkaz:
http://arxiv.org/abs/0808.3433