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机译:Hochschild cohomology of partial relation extensions
Univ Sherbrooke, Dept Math, Sherbrooke, PQ, Canada;
Univ Nacl Sur, Dept Matemat, Buenos Aires, DF, Argentina;
Univ Connecticut, Dept Math, Storrs, CT 06269 USA;
Hochschild cohomology groups; Hochschild projection morphisms; partial relation extension;