@phdthesis{oai:tus.repo.nii.ac.jp:00001391, author = {島倉 雅光 and Shimakura Masamitsu}, month = {2018-06-06, 2019-02-01}, note = {2017}, school = {東京理科大学}, title = {Studies on the Hochschild cohomology ring of integral cyclic algebras and on the Galois extensions arising from algebraic tori}, year = {}, yomi = {シマクラ マサミツ} }