Flat morphisms of finite presentation are very flat

Positselski, L; Slavik, A

Positselski, L (corresponding author), Czech Acad Sci, Inst Math, Zitna 25, Prague 11567 1, Czech Republic.; Positselski, L (corresponding author), Natl Res Univ Higher Sch Econ, Lab Algebra Geometry, Moscow 119048, Russia.; Positselski, L (corresponding author), Inst Informat Transmiss Problems, Lab Algebra & Number Theory, Moscow 119048, Russia.; Positselski, L (corresponding author), Univ Haifa, Dept Math, Fac Nat Sci, IL-31905 Haifa, Israel.

ANNALI DI MATEMATICA PURA ED APPLICATA, 2020; 199 (3): 875

Abstract

Principal affine open subsets in affine schemes are an important tool in the foundations of algebraic geometry. Given a commutative ring R, R-modules ......

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