Nagata ring
A ring is called universally Japanese if every finitely generated integral domain over it is Japanese , and is called a Nagata ring , named for Masayoshi Nagata , ( or a pseudo–geometric ring ) if it is Noetherian and universally Japanese ( or , which turns out to be the same , if it is Noetherian and all of its quotients by a prime ideal are N−2 rings . ) A ring is called geometric if it is the local ring of an algebraic variety or a completion of such a local ring , but this concept is not used much . 
<triplet> Nagata ring <subj> Masayoshi Nagata <obj> named after