2009/09/11 by Francesco Dalla Piazza, Piazza, Francesco Dalla
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Theory (hep-th) #hep-th
paper · pdf · doi:10.48550/arxiv.0909.2118
Talk presented to the XVIII SIGRAV Conference, Cosenza (Italy), September 22-25, 2008
The mathematically rigorous definition and construction of the amplitudes in superstring theory is still an open problem. Here, we describe some recent development in the construction of the superstring measures in g=3,4 and we point out some aspects that are not yet clear.