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hep-th2001
Localized Tachyons and RG Flows
Jeffrey A. Harvey, David Kutasov, Emil J. Martinec +1
We study condensation of closed string tachyons living on defects, such as orbifold fixed planes and Neveu-Schwarz fivebranes. We argue that the high energy density of localized st…
hep-th2001
Topology of the Gauge Group in Noncommutative Gauge Theory
Jeffrey A. Harvey
I argue that the gauge group of noncommutative gauge theory consists of maps into unitary operators on Hilbert space of the form with compact. Some implications of this…