preprojective

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adjective

Exhibiting a generalization of being projective, in which some, but not every surjective homomorphism splits.

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Meanings

adjectivepreprojective (not comparable)
  1. not comparablemathematicsExhibiting a generalization of being projective, in which some, but not every surjective homomorphism splits.

    Mozgovoy in the case of preprojective algebras)..

    2015, Jie Ren, Yan Soibelman, “Cohomological Hall algebras, semicanonical bases and Donaldson-Thomas invariants for 2-dimensional Calabi-Yau categories”, in arXiv

Origin

From pre- + projective.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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