The pushforward tag has no usage guidance.

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### Integration according to push-forward of Lebesgue measure

Let $R_{\theta_1},R_{\theta_2}$ be rotation operators in $\mathbb{R}^2$. Let $\nu_1$ be the arc-length measure of a line segment in length $x$ which was rotated in $\theta_1$ radians, i.e. ...

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### Push-forward of a nef bundle

Let $f:X\rightarrow Y$ be a finite morphism between normal varieties. Let $E$ be a vector bundle on $X$ and let us consider its pushforwad $f_{*}E$.
Does anyone know an example where $E$ is nef but ...

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### Pullback measures

Why do all measure theory textbooks present the concept of push-forward measure, but never the concept of pull-back measure? Doesn't the latter exist?
It's true that the naive treatment of such a ...

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### sheaves for which the derived (compact or not) pushforward is zero

Conventions: sheaf = complex of constructible sheaves (in the l-adic setup with etale tplg or in the complex coefficients setup with analytical tplg).
I would like to understand if there is an ...