A vertex formalism for local ruled surfaces

Duiliu Emanuel Diaconescu, Bogdan Florea, Natalia Saulina

Research output: Contribution to journalArticle

14 Scopus citations


We develop a vertex formalism for topological string amplitudes on ruled surfaces with an arbitrary number of reducible fibers embedded in a Calabi-Yau three-fold. 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.

Original languageEnglish (US)
Pages (from-to)201-226
Number of pages26
JournalCommunications In Mathematical Physics
Issue number1
StatePublished - Jul 1 2006

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics

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