Schanuel's lemma, the snake lemma, and product and direct sum in HvHv-modules

Schanuel's lemma, the snake lemma, and product and direct sum in HvHv-modules

In this paper we find a generalization of the snake lemma and Schanuel s lemma in Hv -modules. We define the isomorph sequences and determine the conditions to split the exact sequences in Hv -modules. Some interesting results on these concepts are given.

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