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Gravity, strings, modular and quasimodular forms
Gravity strings modular and quasimodular forms Mathematical Physics
2012/6/19
Modular and quasimodular forms have played an important role in gravity and string theory. Eisenstein series have appeared systematically in the determination of spectrums and partition functions, in ...
Lorentzian varifolds and applications to closed relativistic strings
Lorentzian varifold closed relativistic strings General Relativity and Quantum Cosmology
2011/7/26
Abstract: We develop a suitable generalization of Almgrens theory of varifolds in a lorentzian setting, focusing on area, first variation, rectifiability, compactness and closure issues. Motivated by ...
Non-geometric Fluxes, Asymmetric Strings and Nonassociative Geometry
Non-geometric Fluxes Asymmetric Strings Nonassociative Geometry
2011/7/27
Abstract: We study closed bosonic strings propagating both in a flat background with constant H-flux and in its T-dual configurations. We define a conformal field theory capturing linear effects in th...