List questions from exact-sequence

Published on 01 Jan 2017 - 11:02

232

Views

Dualizing the statement "left exact iff preserves kernels"

Published on 04 Jan 2017 - 11:11

325

Views

Semisimple modules and short exact sequences (2)

Published on 05 Jan 2017 - 20:45

171

Views

Exact sequence of holomorphic vector bundles

Published on 06 Jan 2017 - 22:19

1.7k

Views

Show $0 \to A\mathop \to B\mathop \to C \to 0$ is split when $C$ is a free Abelian group

Published on 13 Jan 2017 - 1:38

634

Views

Exact sequence involving quotient ideals

Published on 15 Jan 2017 - 6:04

901

Views

A question about split short exact sequence of modules

Published on 23 Jan 2017 - 19:44

1.3k

Views

Complete the short exact sequence $0\to \mathbb Z\to A\to Z_n \to 0$

Published on 26 Jan 2017 - 0:26

116

Views

Show a sequence of sheaves is exact

Published on 25 Mar 2026 - 9:53

43

Views

What's the quotient of the group

Published on 01 Feb 2017 - 23:35

1k

Views

short exact sequence isomorphism

Published on 06 Feb 2017 - 18:28

389

Views

$-\otimes N$ vs. $\hom(-,N)$

Published on 09 Feb 2017 - 19:47

175

Views

An $H^*($total space$)$-module structure on the Mayer–Vietoris coboundary

Published on 11 Feb 2017 - 5:17

2.4k

Views

Tensoring is not left exact

Published on 12 Feb 2017 - 19:26

411

Views

Is $D\otimes_{R}A\cong \mathrm{Hom}_{R}(D,A)$ ever true if $D$ is a projective $R$-module?

Published on 14 Feb 2017 - 23:34

List Question

A question about short exact sequences

Dualizing the statement "left exact iff preserves kernels"

Semisimple modules and short exact sequences (2)

Exact sequence of holomorphic vector bundles

Show $0 \to A\mathop \to B\mathop \to C \to 0$ is split when $C$ is a free Abelian group

Exact sequence involving quotient ideals

A question about split short exact sequence of modules

Complete the short exact sequence $0\to \mathbb Z\to A\to Z_n \to 0$

Show a sequence of sheaves is exact

What's the quotient of the group

short exact sequence isomorphism

$-\otimes N$ vs. $\hom(-,N)$

An $H^*($total space$)$-module structure on the Mayer–Vietoris coboundary

Tensoring is not left exact

Is $D\otimes_{R}A\cong \mathrm{Hom}_{R}(D,A)$ ever true if $D$ is a projective $R$-module?

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