TY - JOUR AU - A. I. Bondal AU - I. Yu. Zhdanovskiy TI - Theory of homotopes with applications to mutually unbiased bases, harmonic analysis on graphs, and perverse sheaves JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2021 SP - 195 EP - 259 VL - 76 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2021_76_2_a0/ LA - en ID - RM_2021_76_2_a0 ER -