List questions from exact-sequence

Published on 20 May 2013 - 6:08

2k

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A short exact sequence of groups and their classifying spaces

Published on 28 Mar 2026 - 20:55

674

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Left-invertible $R$-module homomorphisms.

Published on 03 Jun 2013 - 17:02

444

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Question on $\mbox{Ext}^1$

Published on 08 Jun 2013 - 4:14

112

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Exact Sequences

Published on 10 Jun 2013 - 17:56

10.9k

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Intuitive meaning of Exact Sequence

Published on 13 Jun 2013 - 12:50

2.1k

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How exact is the functor "tensoring with a locally free sheaf"

Published on 22 Jun 2013 - 14:53

490

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Equivalence between Ext and Hom

Published on 26 Mar 2026 - 18:58

386

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$\pi_0$ in the long exact sequence of a fibration and quaternionic projective space

Published on 07 Jul 2013 - 19:53

582

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Derivation and meaning of a long exact sequence of a Homotopy Groups for pairs of spaces

Published on 26 Mar 2026 - 2:47

514

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Could I see that the tensor product is right-exact using its universal property and the Yoneda lemma?

Published on 28 Jul 2013 - 0:21

1.4k

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Understanding the right-exactness of the tensor product using only its universal property and the Yoneda lemma

Published on 10 Aug 2013 - 17:05

551

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Exact sequence of modules

Published on 22 Aug 2013 - 14:16

119

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Does $\varprojlim\ ^1$ vanish whenever it doesn't have to account for non-right exactness of $\varprojlim$?

Published on 26 Mar 2026 - 19:01

92

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For $E=C([0,1])$ does $E\cong E\oplus E$ hold elementarily?

Published on 04 Sep 2013 - 13:38

List Question

Definition of Exact functors

A short exact sequence of groups and their classifying spaces

Left-invertible $R$-module homomorphisms.

Question on $\mbox{Ext}^1$

Exact Sequences

Intuitive meaning of Exact Sequence

How exact is the functor "tensoring with a locally free sheaf"

Equivalence between Ext and Hom

$\pi_0$ in the long exact sequence of a fibration and quaternionic projective space

Derivation and meaning of a long exact sequence of a Homotopy Groups for pairs of spaces

Could I see that the tensor product is right-exact using its universal property and the Yoneda lemma?

Understanding the right-exactness of the tensor product using only its universal property and the Yoneda lemma

Exact sequence of modules

Does $\varprojlim\ ^1$ vanish whenever it doesn't have to account for non-right exactness of $\varprojlim$?

For $E=C([0,1])$ does $E\cong E\oplus E$ hold elementarily?

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