In this paper, we introduce the notion of a Wakamatsu tilting pair as a common generalization of a Wakamatsu tilting module and a tilting pair. We investigate some properties of Wakamatsu tilting pairs, and construct a Wakamatsu tilting right End_A C-module from a given Wakamatsu tilting pair (C, T). And some characterizations of Wakamatsu tilting pairs are given in terms of subcategories.
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