Hopf algebras in renormalization theory: locality and Dyson–Schwinger equations from Hochschild cohomology
Christoph BergbauerFreie Universität Berlin, Germany
Dirk KreimerHumboldt-Universität, Berlin, Germany
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In this review we discuss the relevance of the Hochschild cohomology of renormalization Hopf algebras for local quantum field theories and their equations of motion.