English Algebraic stack Cited by user Headbomb on 31 Aug 2020 In mathematics, an algebraic stack is a vast generalization of algebraic spaces, or schemes, which are foundational for studying moduli theory.
English Michael Rapoport Cited by user Suslindisambiguator on 31 Jul 2017 Michael Rapoport (born 2 October 1948) is an Austrian mathematician.