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JHEP08(2007)024 doi: 10.1088/1126-6708/2007/08/024
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This is an Open Access article.
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Abstract.
We consider d=4,
= 2 compactifications of heterotic strings with an arbitrary number of Wilson lines. In particular, we focus on known chains of candidate heterotic/type II duals. We give closed expressions for the topological amplitudes F(g) in terms of automorphic forms of SO(2+k, 2,
), and find agreement with the geometric data of the dual K3 fibrations wherever those are known.
Key words: Superstrings and Heterotic Strings; Topological Strings; String Duality
E-print number: 0705.3112
Cited: by
Refers: to
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