Question

For a commutative exact sequence show that $V_1$ and $V_3$ are finite dimensional iff $V_2$ and $V_4$ also are.

score 78 · Answer 1 · 2021-01-04 19:51:46

78

Views

For a commutative exact sequence show that $V_1$ and $V_3$ are finite dimensional iff $V_2$ and $V_4$ also are.

Published on 04 Jan 2021 - 19:51

score 80 · Answer 2 · 2021-01-05 14:23:02

80

Views

Reason for this sequence being exact?

Published on 05 Jan 2021 - 14:23

score 439 · Answer 3 · 2026-03-27 13:48:21

439

Views

If $G$ is finitely generated and $G/N$ is finitely presented , then $N$ is normal closure of finite set.

Published on 27 Mar 2026 - 13:48

score 102 · Answer 4 · 2026-03-25 14:21:31

102

Views

Showing that a Group Extension is Split

Published on 25 Mar 2026 - 14:21

score 83 · Answer 5 · 2021-01-12 19:39:32

83

Views

Exact sequence of vector spaces and sum of dimension

Published on 12 Jan 2021 - 19:39

score 326 · Answer 6 · 2021-01-14 09:16:57

326

Views

Computing homology groups of some quotient space (Hatcher 2.2.13)

Published on 14 Jan 2021 - 9:16

score 113 · Answer 7 · 2026-03-30 09:49:45

113

Views

Understanding the isometries of $\widetilde{SL(2,\mathbb{R})}$

Published on 30 Mar 2026 - 9:49

score 61 · Answer 8 · 2021-01-19 01:10:25

61

Views

Showing the existence of a function $M \rightarrow L.$

Published on 19 Jan 2021 - 1:10

score 76 · Answer 9 · 2021-01-20 19:10:45

76

Views

Short exact sequence with center right splits

Published on 20 Jan 2021 - 19:10

score 208 · Answer 10 · 2026-03-25 19:04:41

208

Views

Proving that the existence of a section implies the direct sum.

Published on 25 Mar 2026 - 19:04

score 56 · Answer 11 · 2026-03-26 01:12:45

56

Views

Do I have to show that elements of $L$ commutes with elements of $N$ (like in case of direct product) and if so, why?

Published on 26 Mar 2026 - 1:12

score 477 · Answer 12 · 2021-01-25 01:50:28

477

Views

Exact sequence stays exact after tensoring if right Module is free (or projective)

Published on 25 Jan 2021 - 1:50

score 21 · Answer 13 · 2026-03-25 06:12:11

21

Views

How to calculate when a specific value of a logistic curve is reached?

Published on 25 Mar 2026 - 6:12

score 139 · Answer 14 · 2026-03-30 11:37:41

139

Views

Subgroups of semidirect product of two abelian groups

Published on 30 Mar 2026 - 11:37

score 46 · Answer 15 · 2021-01-29 07:40:21

46

Views

Decision problem for the splitting type of rank 2 bundle from the given exact sequence

Published on 29 Jan 2021 - 7:40

List Question

For a commutative exact sequence show that $V_1$ and $V_3$ are finite dimensional iff $V_2$ and $V_4$ also are.

Reason for this sequence being exact?

If $G$ is finitely generated and $G/N$ is finitely presented , then $N$ is normal closure of finite set.

Showing that a Group Extension is Split

Exact sequence of vector spaces and sum of dimension

Computing homology groups of some quotient space (Hatcher 2.2.13)

Understanding the isometries of $\widetilde{SL(2,\mathbb{R})}$

Showing the existence of a function $M \rightarrow L.$

Short exact sequence with center right splits

Proving that the existence of a section implies the direct sum.

Do I have to show that elements of $L$ commutes with elements of $N$ (like in case of direct product) and if so, why?

Exact sequence stays exact after tensoring if right Module is free (or projective)

How to calculate when a specific value of a logistic curve is reached?

Subgroups of semidirect product of two abelian groups

Decision problem for the splitting type of rank 2 bundle from the given exact sequence

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