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The rank of 2-Selmer group associate to $\theta$-congruent numbers by Wei, Tao; Guo, Xuejun is a scholarly article available to read on EtoBox.

What is The rank of 2-Selmer group associate to $\theta$-congruent numbers about?

We study the parity of rank of $2$-${\rm Selmer}$ groups associated to $\pi/3$ and $2\pi/3$-congruent numbers. Our second result gives some positive densities about $\pi/3$ and $2\pi/3$ non-congruent numbers which can support the even part of Goldfeld's conjecture. We give some necessary conditions such that $n$ is non $\pi/3$-congruent number for elliptic curves $E_n$ whose Shafarevich-Tate group is non-trivial. In the last section, we show that for $n=pq\equiv 5(resp. \ 11)\pmod{24}$, the density of non $\pi/3$($resp.$ $2\pi/3$)-congruent numbers is at least 75\%, where $p,q$ are primes.

Author

Wei, Tao; Guo, Xuejun

Published

2022

Language

EN