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Showing 2009 · math.ACShow all
3 papers · 2 filters
math.AC2009
Envelopes of commutative rings
Rafael Parra, Manuel Saorin
Given a significative class of commutative rings, we study the precise conditions under which a commutative ring has an -envelope. A full answer is obtained when is…
math.AC2009
Boolean metric spaces and Boolean algebraic varieties
Antonio Avilés
The concepts of Boolean metric space and convex combination are used to characterize polynomial maps in a class of commutative Von Neumann regular rings including Boolean rings and…
math.AC2009
Commutative rings with finite quotient fields
Antonio Avilés
We consider the class of all commutative reduced rings for which there exists a finite subset T of A such that all projections on quotients by prime ideals of A are surjective when…