Constructs explicit global homotopies for differential Hochschild cochains, upgrading the HKR map to a deformation retract and recovering the classical theorem via symbol calculus and coalgebraic van Est methods.
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Global Homotopies for Differential Hochschild Cohomologies
Constructs explicit global homotopies for differential Hochschild cochains, upgrading the HKR map to a deformation retract and recovering the classical theorem via symbol calculus and coalgebraic van Est methods.