An isomorphism lemma for graded rings

Bell, Jason; Zhang, James

doi:10.1090/proc/13276

An isomorphism lemma for graded rings
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by Jason Bell and James J. Zhang PDF

Proc. Amer. Math. Soc. 145 (2017), 989-994 Request permission

Abstract:

Let $A$ and $B$ be two connected graded algebras finitely generated in degree one. If $A$ is isomorphic to $B$ as ungraded algebras, then they are also isomorphic to each other as graded algebras.

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