Preprints

1. Special values of the hypergeometric series derived from Appell's series $F_1$ with closed form,

arXiv:1607.04742.

2. Piecewise truncated conical minimal surfaces and catenoids (with Y. Machigashira).

3. Some special values of hypergeometric series related to central values of automorphic $L$-functions,

arXiv:1305.5891.