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Mathematics
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Somos
  • Member for 7 years, 3 months
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8 Questions

Score Activity Newest Views
62 votes
1 answer
3k views

Is OEIS A248049 an integer sequence?

23 votes
0 answers
864 views

Functional equations satisfied by both sine and tangent functions.

10 votes
0 answers
259 views

Positive integer solutions of $ab+1=x^2, ac+1=y^2, bc+1=z^2, x+z=2y$

6 votes
1 answer
264 views

Combinatorial proof for a Catalan number identity with an alternating sum.

6 votes
4 answers
545 views

Positive integer solutions to $x^2+y^2-z^2 = a^2, \;x^2+z^2-y^2 = b^2, \;y^2+z^2-x^2 = c^2$.

1 vote
0 answers
50 views

Prove a partial differentiation equation w.r.t. $g_2,g_3$ for the Weierstrass sigma function

1 vote
1 answer
113 views

Degree $2$ birational map of $\mathbb{P}^1$

0 votes
0 answers
91 views

Elliptic divisibility sequence $a_n$ for $y^2 = x^3 + 2$ and point $(-1,1)$ divisibility conjecture