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math.AT2020
Constructing categorical idempotents
Matthew Hogancamp
We give a general construction of categorical idempotents which recovers the categorified Jones-Wenzl projectors, categorified Young symmetrizers, and other constructions as specia…
math.AT2019★ 2 cited
Homological perturbation theory with curvature
Matthew Hogancamp
We prove a general version of the homological perturbation lemma which works in the presence of curvature, and without the restriction to strong deformation retracts, building on w…