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Cooperative game theory has been enriched recently with several models, which provide decision making support in collaborative situations under uncertainty. Such models are generalizations of the classical model related with the coalition values. Thus, the characteristic functions are not real valued as in classical case, but they capture the uncertainty on the outcome of cooperation in its different forms such as interval, grey and fuzzy uncertainty. This talk surveys the mathematical foundations of cooperative interval games and their connection in Operations Research situations and economics. Other types of cooperative games under uncertainty are also briefly mentioned.