What is azumaya?

Some articles on azumaya:

Mount Azumaya
... Mount Azumaya (四阿山, Azumaya-san?) is one of the 100 Famous Japanese Mountains ... mountain should not be confused with Mount Azumaya (四阿屋山, Azumaya-san?) of which there are two, one in Nagano Prefecture and the other in Saitama ...
Azumaya Algebra
... In mathematics, an Azumaya algebra is a generalization of central simple algebras to R-algebras where R need not be a field ... Such a notion was introduced in a 1951 paper of Goro Azumaya, for the case where R is a commutative local ring ... An Azumaya algebra over a commutative local ring R is an R-algebra A that is free and of finite rank r as an R-module, such that the tensor product (where Ao is the opposite algebra) is isomorphic to the ...
List Of Sgt. Frog Characters - Earthlings/Pekoponians - Koyuki Azumaya
... Koyuki Azumaya (東谷 小雪, Azumaya Koyuki?) is a kunoichi who enters Natsumi's school as a transfer student ...
Nakayama Lemma
... and commutative algebra, Nakayama's lemma also known as the Krull–Azumaya theorem governs the interaction between the Jacobson radical of a ring (typically a commutative ring) and its finitely generated ... Wolfgang Krull and then in general by Goro Azumaya (1951) ... so the noncommutative Nakayama lemma is sometimes known as the Jacobson–Azumaya theorem ...
Mount Azumaya - Main Ascent Routes
... Sugadai-bokujō (菅平牧場?) - Mount Neko (根子岳, Neko-dake?) - Mount Azumaya Azumaya Kōgen (四阿高原?) - Mount Azumaya Torii Ridge (鳥居峠, toriitōge?) - Mount ...