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giobrach
  • Member for 8 years, 2 months
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16 votes
6 answers
1k views

Intuition behind binomial variance

13 votes
1 answer
334 views

How are the logarithmic integrals $\int_{-\pi}^{\pi} \ln^n(2\operatorname{cos}(x/2))dx$ related to $\zeta(n)$?

11 votes
2 answers
4k views

Product rule for scalar-vector product

9 votes
2 answers
6k views

Series expansion of infinite series raised to the $n$th power

9 votes
1 answer
986 views

Schauder basis that is not Hilbert basis

8 votes
1 answer
1k views

Laplace transforms of powers of cosine (solved!)

7 votes
1 answer
668 views

Crazy patterns arising from recursive sequence of functions

6 votes
4 answers
134 views

Expanding product of binomials $(z^k + z^{-k})$

6 votes
1 answer
303 views

Find a form that is closed but not exact on $\mathbb R^3 \setminus \mathbb S^1$

6 votes
0 answers
207 views

Almost $\pi$: a closed form expression for $\int_0^\infty \left[ \left(1+\frac 1{x!}\right)^x-1\right] dx$

6 votes
1 answer
307 views

A formula for $\int_0^\infty \frac{t^k}{\Gamma(t)}dt$: generalized Fransén-Robinson constants?

5 votes
1 answer
549 views

Unusual integral notation

5 votes
3 answers
1k views

Prove Lipschitz condition holds on every compact

5 votes
3 answers
495 views

Limit in n-dimensions with dot product

5 votes
3 answers
1k views

Connection between dual maps and bilinear forms?

4 votes
2 answers
2k views

Factoring the factorials

4 votes
0 answers
289 views

Extending Sophomore's Dream

4 votes
2 answers
99 views

Can I conclude these weak derivatives are strong?

4 votes
1 answer
199 views

Disappearing term in proof of Noether's theorem

3 votes
1 answer
222 views

Are self-intersecting paths in configuration space allowed by the principle of least action?

3 votes
0 answers
178 views

Reducing double limit to single limit

3 votes
2 answers
2k views

Partial differentiation notation in thermodynamics

3 votes
0 answers
56 views

Closure and preclosures inducing the same topology

3 votes
1 answer
86 views

How does derivative transfer to test function?

3 votes
0 answers
53 views

Showing $\int_{\Bbb S^{d-1}} \Delta_{\Bbb S^{d-1}} g(\Omega)\ j(\Omega) d^{d-1}\Omega = 0$

3 votes
0 answers
82 views

Determinant of huge block matrix

3 votes
1 answer
533 views

Conditions for a function to be Lipschitz or just uniformly continuous

3 votes
0 answers
228 views

Stokes' theorem proof without FTC

3 votes
0 answers
57 views

Translating between two different definitions of exterior derivative

2 votes
1 answer
34 views

Maximum integer $n$ satisfying Taylor approximation