867 citations · 1.4k across the 7 of their papers we have counts for
7 papers
Evolutionary stability of cooperation in indirect reciprocity under noisy and private assessment
Yuma Fujimoto, Hisashi Ohtsuki
Indirect reciprocity is a mechanism that explains large-scale cooperation in humans. In indirect reciprocity, individuals use reputations to choose whether or not to cooperate with…
Reputation structure in indirect reciprocity under noisy and private assessment
Yuma Fujimoto, Hisashi Ohtsuki
Evaluation relationships are pivotal for maintaining a cooperative society. A formation of the evaluation relationships has been discussed in terms of indirect reciprocity, by mode…
Spatial effect on stochastic dynamics of bistable evolutionary games
Kohaku H. Z. So, Hisashi Ohtsuki, Takeo Kato
We consider the lifetimes of metastable states in bistable evolutionary games (coordination games), and examine how they are affected by spatial structure. A semiclassical approxim…
Accumulation of driver and passenger mutations during tumor progression
Ivana Bozic, Tibor Antal, Hisashi Ohtsuki +7
Major efforts to sequence cancer genomes are now occurring throughout the world. Though the emerging data from these studies are illuminating, their reconciliation with epidemiolog…
Evolutionary dynamics and fixation probabilities in directed networks
Naoki Masuda, Hisashi Ohtsuki
We investigate the evolutionary dynamics in directed and/or weighted networks. We study the fixation probability of a mutant in finite populations in stochastic voter-type dynamics…
Mutation-selection equilibrium in games with multiple strategies
Tibor Antal, Arne Traulsen, Hisashi Ohtsuki +2
In evolutionary games the fitness of individuals is not constant but depends on the relative abundance of the various strategies in the population. Here we study general games amon…