List questions from smooth-functions | MathQa

smooth functions on compact Lie groups

Published on 18 Apr 2025 - 15:44

Restriction of a map between manifolds is smooth?

Published on 12 Apr 2025 - 18:05

Why is $g(x) = \int_0^1 \frac{\partial f}{\partial x_i} (x+t(x-p))dt$ smooth?

Published on 19 Apr 2025 - 9:22

Spectrum of Laplace operator $\Delta\colon C^{\infty}(\Omega)\to C^{\infty}(\Omega)$.

Published on 19 Apr 2025 - 9:15

Proof of the tangent plane

Published on 12 Apr 2025 - 15:35

Convolution and Fourier Coefficient

Published on 06 Apr 2025 - 13:53

How to define the "smoothness" of a line?

Published on 06 Apr 2025 - 13:36

Proof of $f \in C^\infty(\mathbb{R})$ and $f(x) = \beta \sin(x)$ for all $x \in \mathbb{R}$

Published on 13 Apr 2025 - 12:35

Example of a smooth function with certain growth properties

Published on 12 Apr 2025 - 18:07

A best function that satisfies required conditions

Published on 18 Apr 2025 - 20:48