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Local BRST cohomology and Seiberg-Witten maps in noncommutative Yang-Mills theory
Glenn Barnich, Friedemann Brandt and Maxim Grigoriev
We analyze in detail the recursive construction of the Seiberg-Witten map and give an exhaustive description of its ambiguities. The local BRST cohomology for noncommutative Yang-Mills theory is investigated in the framework of the effective commutative Yang-Mills type theory. In particular, we analyze how some of the conformal symmetries get obstructed by the noncommutative deformation.