Meanings
- mathematicsA technique introduced by Alexander Grothendieck for comparing invariants about coherent sheaves on noetherian systems.
In the particular case where E is homotopy K-theory, this Gysin triangle yields a new proof of Quillen's localization theorem, which avoids the use of devissage.
2015, Goncalo Tabuada, Michel Van den Bergh, “The Gysin triangle via localization and A1-homotopy invariance”, in arXiv
Origin
- Frenchdévissage
- Englishdevissage
From French dévissage.
More words from French
Full word history & related roots →Cite this entry
devissage. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/devissage
“devissage.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/devissage. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “devissage,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/devissage.
Source: devissage on Wiktionary, CC BY-SA 4.0.