User Tito Piezas III

53 votes

1 answer

5k views

There's something strange about $\sqrt{\big(j(\tau)-1728\big)d}$

asked Jan 15, 2014 at 19:05

51 votes

4 answers

5k views

Why do Pell equations appear in Ramanujan's pi formulas?

asked Dec 7, 2014 at 17:39

30 votes

2 answers

3k views

Is there anything special about the Riemann surface $y^2 = x(x^{10}+11x^5-1)$?

asked Feb 29, 2012 at 8:30

29 votes

1 answer

941 views

Is this BBP-type formula for $\ln 257$ and $\ln 65537$ true?

asked Jul 5, 2017 at 5:47

28 votes

1 answer

2k views

Can we use the Rogers-Ramanujan cfrac to parameterize the Fermat quintic $x^5+y^5=1$?

asked Jan 7, 2017 at 13:49

28 votes

2 answers

2k views

A 14th and 26th-power Dedekind eta function identity?

asked Sep 16, 2012 at 16:10

27 votes

2 answers

2k views

Monstrous Moonshine for Thompson group $Th$?

asked Feb 19, 2014 at 19:52

26 votes

4 answers

895 views

Why do some uniform polyhedra have a "conjugate" partner?

asked Dec 10, 2017 at 12:49

23 votes

1 answer

2k views

Ramanujan's pi formulas with a twist

asked Mar 29, 2014 at 23:11

22 votes

1 answer

2k views

Monstrous moonshine for $M_{24}$ and K3?

asked Nov 10, 2013 at 5:21

21 votes

1 answer

1k views

Why can the general quintic be transformed to $v^5-5\beta v^3+10\beta^2v-\beta^2 = 0$?

asked Dec 5, 2015 at 12:48

21 votes

1 answer

688 views

On a pattern for upside-down Ramanujan pi formulas

asked Jan 30, 2018 at 14:16

20 votes

2 answers

2k views

Is there an irreducible but solvable septic trinomial $x^7+ax^n+b = 0$?

asked Nov 2, 2013 at 20:35

20 votes

1 answer

2k views

On the solvable octic $x^8-x^7+29x^2+29=0$

asked Oct 18, 2013 at 4:16

18 votes

3 answers

2k views

More elliptic curves for $a^4+b^4+c^4+d^4 = (a+b+c+d)^4$?

asked Dec 22, 2014 at 21:38

18 votes

1 answer

844 views

On the solvable septic quadrinomial $x^7-7x^4-14x^3-7=0$?

asked Mar 28, 2023 at 14:44

17 votes

1 answer

1k views

Why do these two Monster-related calculations yield $163$?

asked Mar 29, 2018 at 9:46

15 votes

2 answers

1k views

The complete list of continued fractions like the Rogers-Ramanujan?

asked Oct 5, 2012 at 15:48

15 votes

1 answer

830 views

What's so special about these $17$th deg equations?

asked Dec 18, 2015 at 14:25

15 votes

0 answers

851 views

On quintic roots $x_1^{1/5}+x_2^{1/5}+\dots+x_5^{1/5}$

asked Jan 10, 2015 at 18:38

13 votes

1 answer

1k views

On cubic reciprocity for $x^3+y^3+z^3 = 996$?

asked Dec 8, 2015 at 13:59

13 votes

3 answers

2k views

On $e^{\pi\sqrt{4\cdot163}}$ and unusual connections

asked Jan 6, 2015 at 6:09

13 votes

2 answers

1k views

Numerology with Ramanujan's pi formula

asked Mar 25, 2017 at 15:19

13 votes

2 answers

1k views

On Euler's elliptic curve for $A^4+B^4 = C^4+D^4$?

asked Oct 6, 2023 at 2:39

12 votes

0 answers

698 views

Why are solutions to $\sqrt[k]{x_1^k+x_2^k+x_3^k+x_4^k}$ for $k=2,3$ curiously smooth?

asked Apr 26, 2015 at 3:29

11 votes

2 answers

1k views

Ramanujan's tau function, $691$ congruence, and $\eta(z)^{12}$

asked Sep 25, 2016 at 14:24

11 votes

1 answer

431 views

The j-function and Pell equations

asked Nov 6, 2013 at 2:29

10 votes

1 answer

821 views

Are these two $q$-continued fractions equivalent?

asked Jul 6, 2015 at 15:36

10 votes

2 answers

628 views

Can we use Ramanujan's parameterization of Klein's quartic to solve Klein's septic?

asked Mar 21, 2019 at 16:38

10 votes

3 answers

535 views

On the Klein quartic and the similar $a^2b+b^2c+c^2a$?

asked Jan 7, 2023 at 13:45

Stack Exchange Network

116 Questions

There's something strange about $\sqrt{\big(j(\tau)-1728\big)d}$

Why do Pell equations appear in Ramanujan's pi formulas?

Is there anything special about the Riemann surface $y^2 = x(x^{10}+11x^5-1)$?

Is this BBP-type formula for $\ln 257$ and $\ln 65537$ true?

Can we use the Rogers-Ramanujan cfrac to parameterize the Fermat quintic $x^5+y^5=1$?

A 14th and 26th-power Dedekind eta function identity?

Monstrous Moonshine for Thompson group $Th$?

Why do some uniform polyhedra have a "conjugate" partner?

Ramanujan's pi formulas with a twist

Monstrous moonshine for $M_{24}$ and K3?

Why can the general quintic be transformed to $v^5-5\beta v^3+10\beta^2v-\beta^2 = 0$?

On a pattern for upside-down Ramanujan pi formulas

Is there an irreducible but solvable septic trinomial $x^7+ax^n+b = 0$?

On the solvable octic $x^8-x^7+29x^2+29=0$

More elliptic curves for $a^4+b^4+c^4+d^4 = (a+b+c+d)^4$?

On the solvable septic quadrinomial $x^7-7x^4-14x^3-7=0$?

Why do these two Monster-related calculations yield $163$?

The complete list of continued fractions like the Rogers-Ramanujan?

What's so special about these $17$th deg equations?

On quintic roots $x_1^{1/5}+x_2^{1/5}+\dots+x_5^{1/5}$

On cubic reciprocity for $x^3+y^3+z^3 = 996$?

On $e^{\pi\sqrt{4\cdot163}}$ and unusual connections

Numerology with Ramanujan's pi formula

On Euler's elliptic curve for $A^4+B^4 = C^4+D^4$?

Why are solutions to $\sqrt[k]{x_1^k+x_2^k+x_3^k+x_4^k}$ for $k=2,3$ curiously smooth?

Ramanujan's tau function, $691$ congruence, and $\eta(z)^{12}$

The j-function and Pell equations

Are these two $q$-continued fractions equivalent?

Can we use Ramanujan's parameterization of Klein's quartic to solve Klein's septic?

On the Klein quartic and the similar $a^2b+b^2c+c^2a$?