Prove Lemma 44.14 Let A' be a subcomplex of a chain complex A. Let j be the

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Prove Lemma 44.14

Let A' be a subcomplex of a chain complex A. Let j be the collection of natural homomorphisms j_k : A_k → (A_k/A'_K). Then

j_k = 1^∂k ∂̅_kj_kthat is, j commutes with ∂.

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A First Course In Abstract Algebra

ISBN: 9780201763904

7th Edition

Authors: John Fraleigh

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Question Posted: Jan 10, 2023 07:40 AM

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Prove Lemma 44.14 Let A' be a subcomplex of a chain complex A. Let j be the

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A First Course In Abstract Algebra

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