From triangulated categories to Lie algebras: A theorem of Peng and Xiao
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pengtheoremtriangulatedxiaoalgebraalgebrasassumptionscategories
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We present a simplified and more intuitive proof of a theorem of Peng and Xiao, which constructs a Lie algebra from any 2-periodic triangulated k-category (satisfying some finiteness assumptions).
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