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Right-exactness of Kähler-Differential and zeroth relative homology functor

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#general-topology #commutative-algebra #exact-sequence
546
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Two short exact sequences with projective objects in the middle

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#modules #homological-algebra #exact-sequence #projective-module
120
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Is the following short exact sequence always split?

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#modules #exact-sequence
1k
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Why are functors exact if they preserve all short exact sequences?

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#category-theory #abelian-categories #exact-sequence
685
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Definition of split of exact sequence

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#abstract-algebra #exact-sequence
792
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Clarification about the Computation of the Homology of the Connected Sum in degree $n-1$.

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#algebraic-topology #exact-sequence
783
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What does ''$\le$'' mean here?

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#notation #exact-sequence
403
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Exact sequence - proof

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#ring-theory #homological-algebra #exact-sequence
793
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Short exact sequence is split iff contractible

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#homological-algebra #abelian-categories #exact-sequence
572
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For what Abelian Group $A$ is there the following exact sequence?

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#abstract-algebra #exact-sequence
1.3k
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Proving exactness of the conormal sequence

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#algebraic-geometry #commutative-algebra #exact-sequence
1k
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Reduced homology groups of a space which is the union of finitely many open subsets whose intersection is empty or has trivial reduced homology.

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#general-topology #algebraic-topology #homology-cohomology #homological-algebra #exact-sequence
537
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Getting fiber bundles from short exact sequences

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#group-theory #algebraic-topology #exact-sequence #fibration
765
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Short exact sequence - Why doesn't this argument work?

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#abstract-algebra #exact-sequence
145
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Split exact sequences: a basic question.

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#homological-algebra #exact-sequence

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