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 SIGMA 8 (2012), 068, 28 pages       arXiv:1209.1134      
https://doi.org/10.3842/SIGMA.2012.068 
Contribution to the Special Issue “Mirror Symmetry and Related Topics” 
Recent Developments in (0,2) Mirror Symmetry
Ilarion Melnikov a,  Savdeep Sethi b and Eric Sharpe c
 a) Max Planck Institute for Gravitational Physics, Am Mühlenberg 1, D-14476 Golm, Germany
 b) Department of Physics, Enrico Fermi Institute, University of Chicago, 5640 S. Ellis Ave., Chicago, IL  60637, USA
 c) Department of Physics, MC 0435, 910 Drillfield Dr., Virginia Tech, Blacksburg, VA  24061, USA
 
 
Received June 04, 2012, in final form October 02, 2012; Published online October 07, 2012 
Abstract
 
Mirror symmetry of the type II string has a beautiful generalization to the heterotic string. This generalization, known as (0,2) mirror symmetry, is a field still largely in its infancy. We describe recent developments including the ideas behind quantum sheaf cohomology, the mirror map for deformations of (2,2) mirrors, the construction of mirror pairs from worldsheet duality, as well as an overview of some of the many open questions. The (0,2) mirrors of Hirzebruch surfaces are presented as a new example.
  
 Key words:
mirror symmetry; (0,2) mirror symmetry; quantum sheaf cohomology. 
pdf (555 kb)  
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