Gerstenhaber-Schack diagram cohomology from operadic point of view
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cohomologyoperadicdiagramgerstenhaber-schacka-modulesalgebrascategorycomputed
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We show that the operadic cohomology for any type of algebras over a non-symmetric operad A can be computed as Ext in the category of operadic A-modules. We use this principle to prove that the Gerstenhaber-Schack diagram cohomology is operadic cohomology.
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