Twist as a Symmetry Principle and the Noncommutative Gauge Theory Formulation
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Based on the analysis of the most natural and general ansatz, we conclude that the concept of twist symmetry, originally obtained for the noncommutative space-time, cannot be extended to include internal gauge symmetry. The case is reminiscent of the Coleman-Mandula theorem. Invoking the supersymmetry may reverse the situation.
13 pages, more accurate motivation added
13 pages, more accurate motivation added