Question

Representation of integers as quadratic forms with integer coefficients

score 403 · Answer 1 · 2026-02-28 01:15:25

403

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Representation of integers as quadratic forms with integer coefficients

Published on 28 Feb 2026 - 1:15

score 46 · Answer 2 · 2017-09-27 16:50:37

46

Views

Theta notation for Strassen's multiplication

Published on 27 Sep 2017 - 16:50

score 88 · Answer 3 · 2017-10-13 00:06:38

88

Views

$ \sum_{n=1}^{\infty} \frac{ x^{n^2} (1 + x^n) - x^n}{1 -x^n} = 0.$ ??

Published on 13 Oct 2017 - 0:06

score 143 · Answer 4 · 2017-10-21 01:03:34

143

Views

No weight $2$ newforms on $\Gamma_0(4)$?

Published on 21 Oct 2017 - 1:03

score 106 · Answer 5 · 2017-11-01 06:19:04

106

Views

Has the idea of a 'hyperbolic Theta function' been studied?

Published on 01 Nov 2017 - 6:19

score 147 · Answer 6 · 2026-03-25 12:16:29

147

Views

Can we extend the theta function $\theta(z)$ to p-adic numbers $\mathbb{Z}_p$?

Published on 25 Mar 2026 - 12:16

score 246 · Answer 7 · 2017-12-19 22:20:37

246

Views

Linearly equivalent divisors induce same projective embedding

Published on 19 Dec 2017 - 22:20

score 916 · Answer 8 · 2017-12-22 11:33:06

916

Views

Did Gauss know Jacobi's four squares theorem?

Published on 22 Dec 2017 - 11:33

score 150 · Answer 9 · 2026-03-25 12:50:04

150

Views

Evaluate $ \frac{1}{(q)_\infty} \sum_{m \in \mathbb{Z}} q^{\frac{m^2}{2}} (-q^{-\frac{1}{2}}x)^m y^m(q^{1-m}y^{-1};q)_\infty $

Published on 25 Mar 2026 - 12:50

score 1.2k · Answer 10 · 2018-01-06 22:12:22

1.2k

Views

How to evaluate sums in the form $\sum_{k=-\infty}^\infty e^{-\pi n k^2}$

Published on 06 Jan 2018 - 22:12

score 579 · Answer 11 · 2018-01-12 15:58:43

579

Views

An interesting identity involving Jacobi $\theta_4$ and $\zeta(2)$

Published on 12 Jan 2018 - 15:58

score 412 · Answer 12 · 2011-02-25 22:39:21

412

Views

Where are this kind of series used, $\vartheta_{4}(0,e^{\alpha \cdot z})$?

Published on 25 Feb 2011 - 22:39

score 1.5k · Answer 13 · 2011-04-12 20:58:18

1.5k

Views

Hermite's solution of the general quintic in terms of theta functions

Published on 12 Apr 2011 - 20:58

score 405 · Answer 14 · 2011-05-03 19:17:44

405

Views

Relationship between Dixonian elliptic functions and Borwein cubic theta functions

Published on 03 May 2011 - 19:17

score 386 · Answer 15 · 2011-06-06 17:00:42

386

Views

Reference request: theta functions for lattices which are not unimodular or even

Published on 06 Jun 2011 - 17:00

List Question

Representation of integers as quadratic forms with integer coefficients

Theta notation for Strassen's multiplication

$ \sum_{n=1}^{\infty} \frac{ x^{n^2} (1 + x^n) - x^n}{1 -x^n} = 0.$ ??

No weight $2$ newforms on $\Gamma_0(4)$?

Has the idea of a 'hyperbolic Theta function' been studied?

Can we extend the theta function $\theta(z)$ to p-adic numbers $\mathbb{Z}_p$?

Linearly equivalent divisors induce same projective embedding

Did Gauss know Jacobi's four squares theorem?

Evaluate $ \frac{1}{(q)_\infty} \sum_{m \in \mathbb{Z}} q^{\frac{m^2}{2}} (-q^{-\frac{1}{2}}x)^m y^m(q^{1-m}y^{-1};q)_\infty $

How to evaluate sums in the form $\sum_{k=-\infty}^\infty e^{-\pi n k^2}$

An interesting identity involving Jacobi $\theta_4$ and $\zeta(2)$

Where are this kind of series used, $\vartheta_{4}(0,e^{\alpha \cdot z})$?

Hermite's solution of the general quintic in terms of theta functions

Relationship between Dixonian elliptic functions and Borwein cubic theta functions

Reference request: theta functions for lattices which are not unimodular or even

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