preprojective en · ADJ
Etymology
From pre- + projective.
Meanings
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(not-comparable) Exhibiting 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: