What does dévissage mean?
Definitions for dévissage
dévis·sage
This dictionary definitions page includes all the possible meanings, example usage and translations of the word dévissage.
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Wikipedia
Dévissage
In algebraic geometry, dévissage is a technique introduced by Alexander Grothendieck for proving statements about coherent sheaves on noetherian schemes. Dévissage is an adaptation of a certain kind of noetherian induction. It has many applications, including the proof of generic flatness and the proof that higher direct images of coherent sheaves under proper morphisms are coherent. Laurent Gruson and Michel Raynaud extended this concept to the relative situation, that is, to the situation where the scheme under consideration is not necessarily noetherian, but instead admits a finitely presented morphism to another scheme. They did this by defining an object called a relative dévissage which is well-suited to certain kinds of inductive arguments. They used this technique to give a new criterion for a module to be flat. As a consequence, they were able to simplify and generalize the results of EGA IV 11 on descent of flatness.The word dévissage is French for unscrewing.
Numerology
Chaldean Numerology
The numerical value of dévissage in Chaldean Numerology is: 8
Pythagorean Numerology
The numerical value of dévissage in Pythagorean Numerology is: 5
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Translations for dévissage
From our Multilingual Translation Dictionary
- dévissageSpanish
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"dévissage." Definitions.net. STANDS4 LLC, 2024. Web. 26 Apr. 2024. <https://www.definitions.net/definition/d%C3%A9vissage>.
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