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gammatester
  • Member for 11 years, 4 months
  • Last seen more than 5 years ago
7 votes
1 answer
1k views

Fast check of safe primes or Sophie Germain primes

6 votes
1 answer
1k views

Incomplete Fermi-Dirac integrals and polylogs

5 votes
3 answers
663 views

Value of $\sum_{n=0}^{\infty} \frac{(-1)^n}{\ln(n+2)}$

5 votes
1 answer
167 views

When is $a^n \equiv a^{(n \;\bmod \; \varphi(m))} \pmod m$ valid

5 votes
3 answers
502 views

Number of solutions of $P(x)=e^{ax}$ if $P$ is a polynomial

5 votes
1 answer
505 views

Fermat pseudoprimes p to base 2 (AKA Sarrus or Poulet numbers) with special properties

5 votes
0 answers
2k views

Modular nth roots, e.g. $x^5 \equiv 6 \pmod{31}$

5 votes
2 answers
409 views

Asymptotics of q-Pochhammer Euler function for $q \rightarrow -1$

5 votes
1 answer
76 views

Asymmetry for Carmichael 'twins'

5 votes
1 answer
579 views

Polylogarithms: How to prove the asympotic expression $ z \le \mathrm{Li}_{s}(z) \le z(1+2z 2^{-s}), \;z<-1, \;s \gg \log_2|z|$

5 votes
3 answers
417 views

True value of $\int_0^{\pi/2}\frac{dx}{(1-2\sin^2 x)\sqrt{1-4\sin^2 x}}$

5 votes
1 answer
98 views

What is the name of the function $D(a,x) = \frac{x^a e^{-x}}{\Gamma(a+1)}$?

4 votes
1 answer
159 views

Is $n=1073$ a strong pseudoprime to bases $a=260, 813?$

4 votes
0 answers
205 views

Recurrence relation for polygamma reflection polynomials

3 votes
1 answer
732 views

Value of polylogarithms $\mathrm{Li}_s(1)$ for $s<1$.

3 votes
1 answer
255 views

Carmichael numbers with smallest strong pseudoprime base 8

3 votes
1 answer
494 views

Bose-Einstein function as real part of polylogarithm: $\overline{G}_{s}(x)= \Re \mathrm{Li}_{s+1}(e^x)$

2 votes
1 answer
161 views

Conjectured Cauchy principal value for Goodwin-Staton integral

2 votes
0 answers
106 views

Accurate computation of arcsec near branch points

1 vote
0 answers
170 views

Shortcuts for next perfect power computation