Hokkaido Mathematical Journal

Hokkaido Mathematical Journal, one of the world's leading mathematical academic journals available in English, is published by the Department of Mathematics, Hokkaido University. The journal grew out of Series I, Mathematics, originally published from 1930 to 1972 as part of the Journal of Faculty of Science, Hokkaido University. In 1972, the name was changed to the Hokkaido Mathematical Journal, and today is published three times a year.

On a super class of $p$-hyponormal operatorsVolume 25, Number 1 (1996)
Semi-local units at p of a cyclotomic ${\mathbb Z}_p$-extension congruent to 1 modulo $\zeta_p - 1$Volume 44, Number 3 (2015)