Schedule
String Junctions and the BPS Spectrum of N=2 Theories
Savdeep Sethi
I review how the BPS spectrum on a D3-brane probe in F theory is realized in spacetime in terms of multi-string configurations. As a sample application, I show how the complete BPS spectrum of four-dimensional N=2 SU(2) Yang-Mills can be determined at any point on the Coulomb branch using this stringy picture.
hep-th/9803142,hep-th/9802033,hep-th/9801205

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