List questions from pullback

Published on 09 Feb 2021 - 13:51

99

Views

Degree of a smooth proper function, smooth homotopy and their pullbacks

Published on 12 Feb 2021 - 18:15

36

Views

Trouble in equating a linear transformation $A$ to $A^{**}$

Published on 17 Feb 2021 - 17:15

74

Views

Prove that $\text{im}(A^*)=\text{ker}(A)^0$ for a linear transformation $A$

Published on 18 Feb 2021 - 7:26

361

Views

Composition of pushforwards

Published on 27 Feb 2021 - 7:12

241

Views

Pull-back of differential forms

Published on 01 Mar 2021 - 15:19

569

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Why are pull backs always defined for 1 forms but not push forwards?

Published on 07 Mar 2021 - 15:04

956

Views

Demystifying the Magic Diagram

Published on 12 Mar 2021 - 17:34

169

Views

Pullback of k-form under antipodal map

Published on 13 Mar 2021 - 22:55

88

Views

A peculiar pullback diagram involving the Kleisli category

Published on 21 Mar 2021 - 6:57

34

Views

Pullback of the differential form $\alpha = dz + \sum_ix^idy^i$ via $f$

Published on 21 Mar 2021 - 15:19

87

Views

Taking the homotopy pullback always results in fibrations?

Published on 23 Mar 2021 - 17:53

139

Views

The "real" definition of a pullback: Exercise V 5.8 of Edwards & Shifrin's 3510, Day 27

Published on 27 Mar 2021 - 8:38

272

Views

Principal bundle map over different bases, and pullback

Published on 31 Mar 2021 - 8:38

99

Views

Left invariance of differential form on the circle

Published on 02 Apr 2021 - 13:49

List Question

pullback of an Euclidian inner product on $\mathbb{R^{2n+1}}$

Degree of a smooth proper function, smooth homotopy and their pullbacks

Trouble in equating a linear transformation $A$ to $A^{**}$

Prove that $\text{im}(A^*)=\text{ker}(A)^0$ for a linear transformation $A$

Composition of pushforwards

Pull-back of differential forms

Why are pull backs always defined for 1 forms but not push forwards?

Demystifying the Magic Diagram

Pullback of k-form under antipodal map

A peculiar pullback diagram involving the Kleisli category

Pullback of the differential form $\alpha = dz + \sum_ix^idy^i$ via $f$

Taking the homotopy pullback always results in fibrations?

The "real" definition of a pullback: Exercise V 5.8 of Edwards & Shifrin's 3510, Day 27

Principal bundle map over different bases, and pullback

Left invariance of differential form on the circle

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