Viewing topic: External Free Product

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External Free Product

  • Definition: Let {G_a}_(a on J) be an indexed family of groups. Suppose that g is a group, and that i_a: G_a -> G is a family of monomorphisms, such that G is the free product of the groups i_a(G_a). Then we say that G is the external free product of the groups G_a, relative to the monomorphisms i_a.

    Source: Topology (second edition) by James R. Munkres

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