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hep-th2014
Global aspects of (0,2) moduli space: toric varieties and tangent bundles
Ron Donagi, Zhentao Lu, Ilarion V. Melnikov
We study the moduli space of A/2 half-twisted gauged linear sigma models for NEF Fano toric varieties. Focusing on toric deformations of the tangent bundle, we describe the vacuum…
hep-th2014
Super Atiyah classes and obstructions to splitting of supermoduli space
Ron Donagi, Edward Witten
The first obstruction to splitting a supermanifold S is one of the three components of its super Atiyah class, the two other components being the ordinary Atiyah classes on the red…