4 papers
math.NT2022
An improvement on the parity of Schur's partition function
Yiwen Lu, Tao Wei, Xuejun Guo
We improve S.-C. Chen's result on the parity of Schur's partition function. Let be the number of Schur's partitions of , i.e., the number of partitions of into distin…
math.NT2022
The rank of 2-Selmer group associate to -congruent numbers
Tao Wei, Xuejun Guo
We study the parity of rank of - groups associated to and -congruent numbers. Our second result gives some positive densities about and no…
math.NT2022
Mahler measures and -values of elliptic curves over real quadratic fields
Zhengyu Tao, Xuejun Guo, Tao Wei
A famous formula of Rodriguez Villegas shows that the Mahler measures of can be written as a Kronecker-Eisenstein series. We prove that the degree o…
math.NT2022
Some new Ramanujan-Sato series for
Tao Wei, Zhengyu Tao, Xuejun Guo
We derive 10 new Ramanujan-Sato series of by using the method of Huber, Schultz and Ye. The levels of these series are 14, 15, 16, 20, 21, 22, 26, 35, 39.