Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Signalling boosts the evolution of cooperation in repeated group
  interactions   Many biological and social systems show significant levels of collective
action. Several cooperation mechanisms have been proposed, yet they have been
mostly studied independently. Among these, direct reciprocity supports
cooperation on the basis of repeated interactions among individuals. Signals
and quorum dynamics may also drive cooperation. Here, we resort to an
evolutionary game theoretical model to jointly analyse these two mechanisms and
study the conditions in which evolution selects for direct reciprocity,
signalling, or their combination. We show that signalling alone leads to higher
levels of cooperation than when combined with reciprocity, while offering
additional robustness against errors. Specifically, successful strategies in
the realm of direct reciprocity are often not selected in the presence of
signalling, and memory of past interactions is only exploited opportunistically
in case of earlier coordination failure. Differently, signalling always
evolves, even when costly. In the light of these results, it may be easier to
understand why direct reciprocity has been observed only in a limited number of
cases among non-humans, whereas signalling is widespread at all levels of
complexity.

26
The categories of this paper are: bayes-an
37
The categories of this paper are: supr-con
33
The categories of this paper are: plasm-ph
2
The categories of this paper are: math
22
The categories of this paper are: chao-dyn
23
The categories of this paper are: solv-int
31
The categories of this paper are: ao-sci
27
The categories of this paper are: comp-gas
29
The categories of this paper are: funct-an
4
The categories of this paper are: cond-mat
21
The categories of this paper are: adap-org
30
The categories of this paper are: q-alg
34
The categories of this paper are: chem-ph
19
The categories of this paper are: eess
6
The categories of this paper are: astro-ph
5
The categories of this paper are: gr-qc