l On the counting of holomorphic discs in toric Fano manifolds
Journal
l Advances in Geometry
Year
l 2013
Vol
l DOI: 10.1515/advgeom-2012-0041
No
l
Pages
l
Author
l Cho, Cheol-Hyun1
DownLoad
l
Abstract. Open Gromov-Witten invariants in general are not well-defined. We discuss in detail the enumerative numbers of the Clifford torus T2 in CP2. For cyclic A1-algebras, we show that a certain generalized way of counting may be defined up to Hochschild or cyclic boundary elements. In particular we obtain a well-defined function on Hochschild or cyclic homology of a cyclic A∞-algebra, which is invariant under cyclic A∞ homomorphisms. We discuss the example of the Clifford torus T2 and compute the invariant for a specific cyclic cohomology class