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phy_math
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question
27
Prove $\int_0^{\infty} \left(\sqrt{1+x^{4}}-x^{2}\right)\ dx=\frac{\Gamma^{2}\left(\frac{1}{4}\right)}{6\sqrt{\pi}}$
Jul 15, 2014
question
21
How to obtain the Laurent expansion of gamma function around $z=0$?
May 18, 2015
question
17
How to compute $\int_0^\infty \frac{x^4}{(x^4+ x^2 +1)^3} dx =\frac{\pi}{48\sqrt{3}}$?
May 20, 2015
question
11
Intuitive meaning of transitive action
Apr 29, 2017
question
8
Evaluate $ \int_{0}^{\infty} \frac{1}{x^3+x+1}dx$
Nov 19, 2016
question
7
How many spheres are needed to shield a point source of light?
May 22, 2018
question
7
Difference of $f:\mathbb{R}^2 \rightarrow \mathbb{R}^2$ and as $f: \mathbb{C} \rightarrow \mathbb{C}$.
Aug 16, 2021
question
7
Examples of $\pi_1 (X) = \mathbb{Z}$ [closed]
May 19, 2016
question
6
Conformal group in two dimensions
Jul 24, 2014
question
6
What are Darboux coordinates?
Sep 27, 2014

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15
Derivation of Kerr metric, is there any reference?
15
Is $SU(2)\times U(1) = U(2)$?
13
The index of a Dirac operator and its physical meaning
12
What is IR CFT and UV CFT?
11
Compact QED and Non-compact QED - Polyakov textbook