List questions from pullback

Published on 12 Apr 2026 - 4:05

86

Views

Why Pushout in Set are not simple unions?

Published on 10 Apr 2026 - 13:11

94

Views

Pullback of Lie derivative acting on $k-$ forms

Published on 24 Feb 2026 - 9:20

43

Views

Pullback Connection/Riccati-Equation

Published on 09 Apr 2026 - 15:20

191

Views

How to prove that a pullback map is linear

Published on 24 Feb 2026 - 9:17

167

Views

Pullback of a density by the exponential map

Published on 12 Apr 2026 - 7:58

44

Views

Missing minus sign in pullback calculation of a $1$ form on $\mathbb{C}$

Published on 11 Apr 2026 - 23:37

70

Views

I get $d\phi^*\alpha = 0$ for any $1$-form $\alpha$ on $\mathbb{R}^2$. This cannot be correct.

Published on 24 Feb 2026 - 9:20

134

Views

Pullbacks, Terminal objects and Products: proof of a proposition

Published on 12 Apr 2026 - 4:43

117

Views

Serre fibrations and pullbacks

Published on 09 Apr 2026 - 22:54

258

Views

How do I think of the Hom functor?

Published on 10 Apr 2026 - 13:30

41

Views

The Support of Differential Forms defined by Pulling-Back on Complex Manifolds of the Same Dimension

Published on 24 Feb 2026 - 9:24

96

Views

Understanding how the pullback works in $f^*da_i = \sum_{k=1}^n\frac{\partial a_i}{\partial x_k}dx_k$ for a smooth $f:\mathbb{R}^n\to \mathbb{R}^n$

Published on 24 Feb 2026 - 9:23

65

Views

Continuity of the fibre product projection

Published on 09 Apr 2026 - 17:32

90

Views

Integral of Lie derivative and the fundamental theorem of calculus

Published on 10 Apr 2026 - 12:15

List Question

Smooth functions and pullback map

Why Pushout in Set are not simple unions?

Pullback of Lie derivative acting on $k-$ forms

Pullback Connection/Riccati-Equation

How to prove that a pullback map is linear

Pullback of a density by the exponential map

Missing minus sign in pullback calculation of a $1$ form on $\mathbb{C}$

I get $d\phi^*\alpha = 0$ for any $1$-form $\alpha$ on $\mathbb{R}^2$. This cannot be correct.

Pullbacks, Terminal objects and Products: proof of a proposition

Serre fibrations and pullbacks

How do I think of the Hom functor?

The Support of Differential Forms defined by Pulling-Back on Complex Manifolds of the Same Dimension

Understanding how the pullback works in $f^*da_i = \sum_{k=1}^n\frac{\partial a_i}{\partial x_k}dx_k$ for a smooth $f:\mathbb{R}^n\to \mathbb{R}^n$

Continuity of the fibre product projection

Integral of Lie derivative and the fundamental theorem of calculus

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