Cooperative behavior, the costly provision of benefits to others, is common across all
domains of life. This review article discusses cooperative behavior in the microbial world …

Strategy changes are an essential part of evolutionary games. Here, we introduce a simple
rule that, depending on the value of a single parameter w, influences the selection of players …

In this work, we ask for and answer what makes classical temporal-difference reinforcement
learning with ϵ-greedy strategies cooperative. Cooperating in social dilemma situations is …

Innovation and evolution are two processes of paramount relevance for social and biological
systems. In general, the former allows the introduction of elements of novelty, while the latter …

Detecting defection and alarming partners about the possible danger could be essential to
avoid being exploited. This act, however, may require a huge individual effort from those …

Using reputation and payoff fusion information as a strategy update rule has been
demonstrated to improve the level of cooperation. Individuals with relatively high reputations …

Evolutionary games on networks traditionally involve the same game at each interaction.
Here we depart from this assumption by considering mixed games, where the game played …

Evolutionary game on complex networks provides a new research framework for analyzing
and predicting group decision-making behavior in an interactive environment, in which most …

In realistic world, the role or influence of each individual is heterogeneous and usually
varies according to surroundings. Inspired by this fact, here we study the emergence of …

Recently, a class of interesting strategies, named extortion strategies, has attracted
considerable attention since such extortion strategies can dominate any opponent in a …