List questions from pullback

Published on 02 Apr 2026 - 0:04

675

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Is a conformal transformation also a general coordinate transformation?

Published on 09 Apr 2026 - 0:05

81

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Pullback square with two identical sides

Published on 01 Apr 2026 - 22:31

232

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Pullbacks and differential forms, require deep explanation + algebra rules

Published on 08 Apr 2026 - 22:40

95

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$\Pi_f$ for a morphism $f$ between simplicial sets

Published on 01 Apr 2026 - 4:39

363

Views

Find a non vanishing differential form on the torus

Published on 05 Apr 2026 - 12:49

91

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Suppose that $X$ is a sub affine variety of $Y$ , and let $φ : X \to Y$ be the inclusion. Prove that $φ^*$ is surjective...

Published on 05 Apr 2026 - 3:04

95

Views

Equality Proof of Pushforward and Pullback

Published on 29 Mar 2026 - 9:30

330

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Why $f'$ is an isomorphism if the rightmost square is a pullback?

Published on 05 Apr 2026 - 18:22

418

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Why the rightmost square is a pullback?

Published on 04 Apr 2026 - 9:23

226

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Prove pullback of $f$ on $T^{k}(V)$ is a linear transformation

Published on 06 Apr 2026 - 4:33

195

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Given Pullback of $R$-modules, show that if $f$ is injective, then $\alpha$ is injective

Published on 06 Apr 2026 - 17:31

204

Views

What is a Presheaf-category enriched pullback?

Published on 02 Apr 2026 - 0:28

299

Views

Push-forward and Category theory

Published on 01 Apr 2026 - 0:45

1.5k

Views

Why are epis stable under pullback in an abelian category ?

Published on 06 Apr 2026 - 4:52

List Question

Pullbacks and pushouts with surjective functions and quotient sets?

Is a conformal transformation also a general coordinate transformation?

Pullback square with two identical sides

Pullbacks and differential forms, require deep explanation + algebra rules

$\Pi_f$ for a morphism $f$ between simplicial sets

Find a non vanishing differential form on the torus

Suppose that $X$ is a sub affine variety of $Y$ , and let $φ : X \to Y$ be the inclusion. Prove that $φ^*$ is surjective...

Equality Proof of Pushforward and Pullback

Why $f'$ is an isomorphism if the rightmost square is a pullback?

Why the rightmost square is a pullback?

Prove pullback of $f$ on $T^{k}(V)$ is a linear transformation

Given Pullback of $R$-modules, show that if $f$ is injective, then $\alpha$ is injective

What is a Presheaf-category enriched pullback?

Push-forward and Category theory

Why are epis stable under pullback in an abelian category ?

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