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Article
The optimal sex ratio in cooperatively breeding populations
In some cooperatively breeding species, elder siblings remain within their home ranges to assist their parents in raising their younger siblings by providing protection or food. Previous attempts to model the ...
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Article
Open AccessSpatial games and the maintenance of cooperation in an asymmetric Hawk-Dove game
Classical theories explaining the evolution of cooperation often rely on the assumption that the involved players are symmetrically interacted. However, in reality almost all well-documented cooperation system...
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Article
Open AccessCooperation in an asymmetric volunteer’s dilemma game with relatedness
What motivates some members of a social group to voluntarily incur costs in order to provide for the common good? This question lies at the heart of theoretical and empirical studies of cooperative behavior. T...
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Article
Open AccessVarying coefficient analysis for indeterminate species interactions with non-parametric estimation, exemplifying with a fig-fig wasp system
Research on species interactions has generally assumed that species have a fixed interaction and therefore linear or non-linear parametric regression models (e.g. exponential, logistic) have been widely used t...