An agency for international cooperation maintains economic and cultural ties with the countries of Latin America and other countries with cultural links to Spain.
Situations in which prisoners are denied due process, are kept in isolation or jailed for an indefinite period are by nature inhumane, and psychologists who are there are inevitably complicit, opponents of the cooperation maintain.
Subclone cooperation maintains tumor growth.
At least positive frequency-dependent selection could explain why differences in cooperation are maintained and why humans and chimpanzees do not converge to similar levels of cooperation.
Cooperation is maintained over a broader range of diffusion rates, compared to the case of costly cooperation.
After 1949 Shanghai's development was temporarily slowed because of the emphasis on internal regional development, especially during the period up to 1960 when close cooperation was maintained with the Soviet Union.
Cooperation is maintained with other CMCs in oPt.
We show here that inclusion of blackmailing in a hidden strategy game leads to stable or oscillatory coexistence of different strategies, where cooperation is maintained at high proportions.
Cue-dependent cooperation did not persist at any patch size under assortative mating under the present assumptions, but diverse cues and relatively high rates of cooperation were maintained if mating was disassortative and patches were small.
