Meanings
nounCox ring (plural Cox rings)
plural Cox rings
- algebraic geometryA sort of universal homogeneous coordinate ring for a projective variety, and (roughly speaking) a direct sum of the spaces of sections of all isomorphism classes of line bundles.
Origin
Named after David A. Cox, whose earlier construction led to these.
Full word history & related roots →Cite this entry
APA
Cox ring. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Cox%20ring
MLA
“Cox ring.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Cox%20ring. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Cox ring,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Cox%20ring.
Source: Cox ring on Wiktionary, CC BY-SA 4.0.