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On Topological $2d$ String And Intersection Theory by OZ, YARON is a scholarly article available to read on EtoBox.

What is On Topological $2d$ String And Intersection Theory about?

The topological description of $2D$ string theory at the self-dual radius is studied in the algebro-geometrical formulation of the $A_{k+1}$ topological models at $k=-3$. Genus zero correlators of tachyons and their gravitational descendants are computed as intersection numbers on moduli space and compared to $2D$ string results. The interpretation of negative momentum tachyons as gravitational descendants of the cosmological constant, as well as modifications of this, is shown to imply a disagreement between $2D$ string correlators and the associated intersection numbers.

Author

OZ, YARON

Published

1995

Language

EN