On the Algebraic Structure of the Holomorphic Anomaly for N=2 Topological Strings

Details On the Algebraic Structure of the Holomorphic Anomaly for N=2 Topological Strings On the Algebraic Structure of the Holomorphic Anomaly for N=2 Topological Strings

1994-05-10

arxiv.org/abs/hep-th/9405071v2

Phys.Lett. B334 (1994) 323-330

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, LaTeX (misprints corrected)

Scientific paper

10.1016/0370-2693(94)90696-3

The special geometry ($(t,{\bar t})$-equations) for twisted $N=2$ strings are
derived as consistency conditions of a new contact term algebra. The dilaton
appears in the contact terms of topological and antitopological operators. The
holomorphic anomaly, which can be interpreted as measuring the background
dependence, is obtained from the contact algebra relations.

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