User Ash Malyshev

20 votes

What is the meaning of group extension?

answered Nov 26, 2020 at 2:08

14 votes

Accepted

Interpretation of $\frac{22}{7}-\pi$

answered Aug 30, 2016 at 21:13

10 votes

Geometric Interpretation of the Basel Problem?

answered Sep 18, 2016 at 5:34

7 votes

About a mysterious sequence who seems to follow some patterns

answered Sep 18, 2016 at 0:17

7 votes

Calculating $\int_0^\infty \frac{\sin(x)}{x} \frac{\sin(x / 3)}{x / 3} \frac{\sin(x / 5)}{x / 5} \cdots \frac{\sin(x / 15)}{x / 15} \ dx$

answered Sep 25, 2016 at 8:29

6 votes

Accepted

Does the path graph have least algebraic connectivity among simple, undirected, connected graphs?

answered Aug 12, 2017 at 16:12

5 votes

Accepted

Prove the existence of some weird family of sets

answered Jan 20, 2016 at 0:11

4 votes

Convergence of series based on iteratively applying the logarithm function

answered Sep 18, 2016 at 10:18

3 votes

Accepted

Subgroups of finite abelian groups and automorphisms

answered Oct 29, 2017 at 18:56

3 votes

Geometric interpretation of Laplace's formula for determinants

answered Nov 7, 2017 at 19:26

3 votes

Prove that determinant of a matrix (with polynomial entries) is non-zero

answered Oct 17, 2016 at 10:07

3 votes

Is there a closed-form or combinatorial proof for the 'multisections' of the binomial series $\sum_{k=0}^{n-1}\binom{n}{k}$?

answered Nov 26, 2020 at 0:35

3 votes

Accepted

Direct sum of the group of $n$-chains $S_n(X)$ for all $n$ induces the direct sum of the chain complex $S_{\ast}(X)$?

answered Nov 25, 2020 at 7:52

2 votes

Accepted

Formulation of the Wallis product for $\pi/2$ using the $\Gamma$ function

answered Aug 11, 2017 at 19:30

2 votes

Accepted

How do you find (continuous) bounds on the matrix exponential

answered Nov 24, 2021 at 5:35

2 votes

Accepted

Characterizing duals of cones that are linear images of the positive semidefinite cone

answered Nov 7, 2017 at 11:43

2 votes

Ratio of $2$-norm to infinity norm of coefficients in the expansion of $(1+𝑥+𝑥^2+\ldots+x^m)^n$?

answered Nov 22, 2021 at 19:51

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17 Answers

What is the meaning of group extension?

Interpretation of $\frac{22}{7}-\pi$

Geometric Interpretation of the Basel Problem?

About a mysterious sequence who seems to follow some patterns

Calculating $\int_0^\infty \frac{\sin(x)}{x} \frac{\sin(x / 3)}{x / 3} \frac{\sin(x / 5)}{x / 5} \cdots \frac{\sin(x / 15)}{x / 15} \ dx$

Does the path graph have least algebraic connectivity among simple, undirected, connected graphs?

Prove the existence of some weird family of sets

Convergence of series based on iteratively applying the logarithm function

Subgroups of finite abelian groups and automorphisms

Geometric interpretation of Laplace's formula for determinants

Prove that determinant of a matrix (with polynomial entries) is non-zero

Is there a closed-form or combinatorial proof for the 'multisections' of the binomial series $\sum_{k=0}^{n-1}\binom{n}{k}$?

Direct sum of the group of $n$-chains $S_n(X)$ for all $n$ induces the direct sum of the chain complex $S_{\ast}(X)$?

Formulation of the Wallis product for $\pi/2$ using the $\Gamma$ function

How do you find (continuous) bounds on the matrix exponential

Characterizing duals of cones that are linear images of the positive semidefinite cone

Ratio of $2$-norm to infinity norm of coefficients in the expansion of $(1+𝑥+𝑥^2+\ldots+x^m)^n$?