Volume 35, No. 1, March 2020
Combinatorial properties of sparsely totient numbers
Mithun Kumar Das, Pramod Eyyunni and Bhuwanesh Rao Patil
Sums of fifth powers being a perfect power: A special case
Pranabesh Das, Pallab Kanti Dey and Sudhansu Sekhar Rout
Algebraic independence results for the values of the theta-constants and some identities
Carsten Elsner, Masanobu Kaneko and Yohei Tachiya
A finiteness theorem for positive definite almost n-regular quadratic forms
Inhwan Lee, Byeong-Kweon Oh, and Hoseog Yu