Noncommutative Gauge Theories in Matrix Theory
Abstract
We present a general framework for Matrix theory compactified on a quotient space Rn/G, with G a discrete group of Euclidean motions in Rn. The general solution to the quotient conditions gives a gauge theory on a noncommutative space. We characterize the resulting noncommutative gauge theory in terms of the twisted group algebra of G associated with a projective regular representation. Also we show how to extend our treatments to incorporate orientifolds.
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