2 papers
math.NT2024
Type number for orders of level (N_1,N_2)
Yifan Luo, Haigang Zhou
We establish an explicit formula for the type number of quaternion orders of level , where (with and odd) and…
math.NT2024
The classification and representations of positive definite ternary quadratic forms of level 4N
Yifan Luo, Haigang Zhou
Classifications and representations are two main topics in the theory of quadratic forms. In this paper, we consider these topics of ternary quadratic forms. For a given squarefree…