Antonio DJC's user avatar
Antonio DJC's user avatar
Antonio DJC's user avatar
Antonio DJC
  • Member for 8 years, 9 months
  • Last seen more than a week ago
6 votes

the zeros of theta function?

4 votes
Accepted

Fourier series of cotangent

3 votes

Exponential of a Quartic

3 votes

If $\frac{\tan(a+b-c)}{\tan(a-b+c)}=\frac{\tan c}{\tan b}$, then $\sin(b-c)=0$ or $\sin 2a + \sin2b + \sin 2c=0$

3 votes

Infinite series $n^7/(\exp(2\pi n)-1)$

2 votes

Reciprocals of theta functions

2 votes

Evaluating the integral $\int_{-\infty}^{\infty} \frac{(1-ix)^{n-s_1}}{(1+ix)^{n+s_2}} dx$.

2 votes
Accepted

Theta series and Jacobi theta functions

2 votes

Generating function of the squared Riemann zeta function

1 vote

Have I developed new elliptic functions?

1 vote

Sum of infinite series of Sech: $\sum_n \text{sech}(x(n-1/2))\text{sech}(x(n+p-1/2))$

1 vote

Intriguing Poisson sum with hyperbolic function

1 vote

Difference of coprimes

1 vote

How to solve $2n^2 - 3n + 1 \equiv{0} \pmod{250}$?

1 vote

Is there a simple expression for $\sum_{n=0}^{\infty} \left[ (4x)^n \frac{(n!)^2}{(2n+1)!} \right]^2?$

1 vote

An infinite series expansion in terms of the polylogarithm function

1 vote

Generalization of Alternating Harmonic Series

1 vote
Accepted

Ellptic\Jacobi theta function and its residue integral

0 votes

Elliptic function with essential singularity

0 votes

When is ${\large\int}\frac{dx}{\left(1+x^a\right)^a}$ an elementary function?

0 votes

A transformation formula for the digamma function

0 votes

Finding an addition formula without trigonometry

0 votes

High-order antiderivatives of the Weierstrass P-function