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hep-th2008
Nonperturbative deformation of D-brane states by the world sheet noncommutativity
Manabu Irisawa
By introducing the noncommutativity in the world sheet, we discuss a modification of the D-brane states in the closed string theory. In particular we show how the world sheet nonco…
hep-th2006★ 13 cited
Drinfel'd Twisted Superconformal Algebra and Structure of Unbroken Symmetries
Manabu Irisawa, Yoshishige Kobayashi, Shin Sasaki
We investigate deformed superconformal symmetries on non(anti)commutative (super)spaces from the point of view of the Drinfel'd twisted symmetries. We classify all possible twist e…