eraldcoil

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group-theory

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Questions

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8

Infinitely differentiable functions with compact support are dense in $L^p$

Nov 29, 2018

6

Exercise $2.3.2$ of Grafakos, Classical Fourier Analysis.

Dec 31, 2019

5

The inverse image of a measurable set under a measurable function is measurable?

Nov 6, 2018

5

Showing whether an ideal in $\mathbb{Z}[x,y]$ is prime.

Jul 30, 2020

4

Finding the $\mathbb{Q}$-automorphisms of the splitting field of $x^p-2$ over $\mathbb{Q}$.

Oct 12, 2020

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3

Showing affine transformations group generated by $2x$ and $x+1$ is the Baumslag-Solitar group.

Dec 14, 2018

1

Calculating the value of a triple integral with a function and its inverse

Jan 20, 2022

1

Is there any relationship between the operator $\partial_z.\, (z=x+iy\in \mathbb{C})$ and $\partial_x,\, \partial_y$?

Aug 7, 2022

1

Calculating the product of the exponential application using the Baker-Campbell formula

Jul 5

1

Dual of Sobolev space $H^{s}(\mathbb{R}^n)$ Taylor Michael.

Jun 16, 2019

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group-theory

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group-presentation

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affine-geometry

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operator-theory

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49

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complex-analysis

1

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Reputation

+10

Doubt about the exponential of an operator

+10

Does the exponential map over an Lie algebra coincide with its power series?

+40

Taylor series in distribution sense?

+10

Show that $G_t(x)=(2\pi)^{-n/2}\int_{\mathbb{R}^n}\mathbb{e}^{ix\cdot\xi}\mathrm{e}^{-t(1+|\xi|^2)^{\alpha}}\,d\xi$ is uniformly bounded in $L^1$.

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