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Henri Cohen's user avatar
Henri Cohen's user avatar
Henri Cohen's user avatar
Henri Cohen
  • Member for 10 years, 2 months
  • Last seen this week
24 votes
3 answers
3k views

Analogue of Fermat's "little" theorem

23 votes
1 answer
2k views

wrong formula for Atkin--Lehner operators?

22 votes
1 answer
1k views

Hadamard factorization of L-functions

19 votes
2 answers
853 views

CM zeros of unary theta series

16 votes
2 answers
1k views

New series for $\pi$ from string theory

16 votes
0 answers
275 views

Hypergeometric representation of Eisenstein series

16 votes
2 answers
510 views

$3$-ranks of elliptic curves and representations $p=ax^3+by^3$

15 votes
1 answer
508 views

Asymptotic behavior of sum linked with Lagrange interpolation

14 votes
1 answer
1k views

Euler factors of L-function at bad primes

12 votes
3 answers
566 views

Rational eigenforms

12 votes
1 answer
550 views

Characters of weight 1 cusp forms

12 votes
2 answers
637 views

Computation of modified Gauss sums

12 votes
1 answer
687 views

$p$-adic L function of an odd Dirichlet character

11 votes
1 answer
271 views

Properties of the ring of all holomorphic modular forms

11 votes
0 answers
353 views

More identities for the Lambert $W$ function

10 votes
1 answer
271 views

periods of higher weight modular forms

10 votes
2 answers
1k views

Kuznetsov trace formula, orthogonality of Bessel functions

9 votes
2 answers
589 views

Riemann-Hilbert and orthogonal polynomials

9 votes
0 answers
426 views

Equality of Hecke L-functions

9 votes
1 answer
248 views

Linear relation between $_3F_2$ at $z=1$

9 votes
1 answer
852 views

field of definition of Fricke involution applied to a modular form

9 votes
1 answer
241 views

Finding a rational point of large height on an elliptic curve knowing a real approximation

9 votes
1 answer
535 views

A hypergeometric series for $\Gamma(1/4)^4/\pi^3$

8 votes
1 answer
602 views

Trivial (?) product/series expansions for sine and cosine

8 votes
1 answer
184 views

Petersson square of twist

8 votes
2 answers
446 views

Antiderivative of totally real polynomials

7 votes
2 answers
429 views

$|(A+B)(X)|=o(X)$ if $|A(X)|=O(X^{1/2})$ and $|B(X)|=O(X^{1/2})$?

7 votes
2 answers
265 views

Evaluation of hypergeometric type continued fraction

7 votes
2 answers
418 views

Conflicting notation for periods of elliptic functions

6 votes
0 answers
295 views

Partial fraction expansions of meromorphic functions