quasidiagonal

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adjective

Having an approximate unit consisting of projections which is quasicentral.

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Meanings

adjectivequasidiagonal (not comparable)
  1. not comparablemathematicsHaving an approximate unit consisting of projections which is quasicentral.

    We extend the result of Choi on the quasidiagonality of C#42;(#123;#92;mathbbF#125;#95;n), proving that the free product with amalgamation over #123;#92;mathbbC#125;1 of a family of unital quasidiagonal C*-algebras is quasidiagonal..

    2015, Florin P. Boca, “A note on full free product C*-algebras, lifting and quasidiagonality”, in Proceedings of the, volume 16

Origin

From quasi- + diagonal.

Full word history & related roots →
Cite this entry
APA

quasidiagonal. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/quasidiagonal

MLA

“quasidiagonal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/quasidiagonal. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “quasidiagonal,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/quasidiagonal.

Source: quasidiagonal on Wiktionary, CC BY-SA 4.0.