Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-05-23
Commun.Math.Phys. 265 (2006) 201-226
Physics
High Energy Physics
High Energy Physics - Theory
24 pages, 12 figures; v2: minor changes; v3: explanations added, results unchanged
Scientific paper
10.1007/s00220-006-1533-8
We develop a vertex formalism for topological string amplitudes on ruled surfaces with an arbitrary number of reducible fibers embedded in a Calabi-Yau threefold. Our construction is based on large N duality and localization with respect to a degenerate torus action. We also discuss potential generalizations of our formalism to a broader class of Calabi-Yau threefolds using the same underlying principles.
Diaconescu Duiliu-Emanuel
Florea Bogdan
Saulina Natalia
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