Meanings
plural quisms
- mathematicsA quasi-isomorphism.
By [3], the vertical maps are quisms.
2000, Alex Martsinkofsky, New homological invariants for modules over local rings, II, Journal of Pure and Applied Algebra, Vol. 153 No. 13 more examples
Most authors speak of a quasi-isomorphism or quism, but Bourbaki's term is more descriptive.
1990, Jan R. Strooker, Homological Questions in Local Algebra, Cambridge University Press, →ISBN, page 5Then the composition is a quism and therefore is an acceptable Adams-Hilton model for E.
1992, Kathryn P. Hess, “Twisted tensor products of DGA’s and the Adams-Hilton model for the total space of a fibration”, in Nigel Ray and Spike Walker (editors), Adams Memorial Symposium on Algebraic Topology (proceedings of a July 1990 symposium), Volume I, Cambridge University Press, page 51Since ρ₀ is a surjective quism, the Σ-module K is acyclic.
2002, Martin Markl, Steven Shnider, James Stasheff, Operads in Algebra, Topology and Physics, American Mathematical Society, →ISBN, page 201
Synonyms & antonyms
Origin
Contraction of quasi-isomorphism.
Full word history & related roots →Rhymes & wordplay
Rhymes with quism
Anagrams
Cite this entry
quism. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/quism
“quism.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/quism. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “quism,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/quism.
Source: quism on Wiktionary, CC BY-SA 4.0.