English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We present a novel approach allowing the study of rare events like fixationunder fluctuating environments, modeled as extrinsic noise, in evolutionaryprocesses characterized by the dominance of one species. Our treatment consistsof mapping the system onto an auxiliary model, exhibiting metastable speciescoexistence, that can be analyzed semiclassically. This approach enables us tostudy the interplay between extrinsic and demographic noise on the statisticsof interest. We illustrate our theory by considering the paradigmaticprisoner's dilemma game whose evolution is described by the probability thatcooperators fixate the population and replace all defectors. We analyticallyand numerically demonstrate that extrinsic noise may drastically enhance thecooperation fixation probability and even change its functional dependence onthe population size. These results, which generalize earlier works inpopulation genetics, indicate that extrinsic noise may help sustain and promotea much higher level of cooperation than static settings.

Cooperation dilemma in finite populations under fluctuating environments