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Constantin-Nicolae Beli's user avatar
Constantin-Nicolae Beli's user avatar
Constantin-Nicolae Beli's user avatar
Constantin-Nicolae Beli
  • Member for 5 years, 7 months
  • Last seen more than a month ago
  • Bucharest, Romania
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8 Answers

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6 votes
Accepted

Integral calculus with Gamma function

4 votes

Prove $\frac{\text{Area}_1}{c_1^2}+\frac{\text{Area}_2}{c_2^2}\neq \frac{\text{Area}_3}{c_3^2}$ for all primitive Pythagorean triples

2 votes

The "semi-symmetric" algebra of a vector space

2 votes

A description of the kernel of projection map from the tensor algebra to the symmetric algebra $T(V)\to S(V)$

2 votes

Proof of $\Re\int_0^{\infty}\exp(-ik-k/\sqrt{1-4ik})dk=\Im\int_0^{1/4}\exp(-k+ik/\sqrt{1-4k})dk$

1 vote

An alternative description of normalized cochains in terms of tensor powers of the augmented ideal

0 votes

Cohomology of elementary abelian $p$-groups, i.e. $H(G,{\mathbb F}_p)$ with $G\cong{\mathbb F}_p^r$

0 votes

Cohomology of elementary abelian $p$-groups, i.e. $H(G,{\mathbb F}_p)$ with $G\cong{\mathbb F}_p^r$