We present the alternative topological twisting of N = 4 Yangâ€“Mills, in which the path integral is dominated not by instantons, but by flat connections of the complexified gauge group. The theory isâ€¦ (More)

We show that the N = 2 open string describes a theory of self-dual Yang Mills (SDYM) in (2, 2) dimensions. The coupling to the closed sector is described by SDYM in a KÃ¤hler background, with theâ€¦ (More)

We construct the U(N) spinning particle theories, which describe particles moving on KÃ¤hler spaces. These particles have the same relation to the N = 2 string as usual spinning particles have to theâ€¦ (More)

In binary character-classification tasks, reaction time generally has been reported to increase substantially with the number of target elements. However, when the targets formed a familiar set andâ€¦ (More)

The purpose of this investigation was to find out (1) whether a pH dependent, chemical extraction, of sialic acid might occur in the superficial mucous layer of gastric mucosa as a result ofâ€¦ (More)

The Bâ€“twisted topological sigma model coupled to topological gravity is supposed to be described by an ordinary field theory: a type of holomorphic Chernâ€“Simons theory for the open string, and theâ€¦ (More)

We find the discrete states of the c = 1 string in the light-cone gauge of Polyakov. When the state space of the gravitational sector of the theory is taken to be the irreducible representations ofâ€¦ (More)

or Does the 2D black hole have tachyonic or Wâ€“hair? Abstract We solve the equations of motion of the tachyon and the discrete states in the background of Witten's semiclassical black hole and in theâ€¦ (More)