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Topological Open String Amplitudes On Orientifolds
Vincent Bouchard, Bogdan Florea, Marcos Marino
We study topological open string amplitudes on orientifolds without fixed planes. We determine the contributions of the untwisted and twisted sectors as well as the BPS structure o…
Les Houches lectures on matrix models and topological strings
Marcos Marino
In these lecture notes for the Les Houches School on Applications of Random Matrices in Physics we give an introduction to the connections between matrix models and topological str…
Chern-Simons Theory and Topological Strings
Marcos Marino
We review the relation between Chern-Simons gauge theory and topological string theory on noncompact Calabi-Yau spaces. This relation has made possible to give an exact solution of…
A note on instanton counting for N=2 gauge theories with classical gauge groups
Marcos Marino, Niclas Wyllard
We study the prepotential of N=2 gauge theories using the instanton counting techniques introduced by Nekrasov. For the SO theories without matter we find a closed expression for t…
Counting Higher Genus Curves with Crosscaps in Calabi-Yau Orientifolds
Vincent Bouchard, Bogdan Florea, Marcos Marino
We compute all loop topological string amplitudes on orientifolds of local Calabi-Yau manifolds, by using geometric transitions involving SO/Sp Chern-Simons theory, localization on…