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Home Search Quick Search Advanced Fulltext Browse Collections Persons My eDoc Session History Login Name: Password: Documentation Help Support Wiki Direct access to document ID:	Institute: MPI für Gravitationsphysik     Collection: Quantum Gravity and Unified Theories     Display Documents   history ID: 429151.0, MPI für Gravitationsphysik / Quantum Gravity and Unified Theories (0,2) Landau-Ginzburg Models and Residues Authors: Melnikov, Ilarion V. Date of Publication (YYYY-MM-DD): 2009 Title of Journal: Journal of High Energy Physics Volume: 09 Sequence Number of Article: 118 Review Status: not specified Audience: Not Specified Abstract / Description: We study the topological heterotic ring in (0,2) Landau-Ginzburg models without a (2,2) locus. The ring elements correspond to elements of the Koszul cohomology groups associated to a zero-dimensional ideal in a polynomial ring, and the computation of half-twisted genus zero correlators reduces to a map from the first non-trivial Koszul cohomology group to complex numbers. This map is a generalization of the local Grothendieck residue. The results may be applied to computations of Yukawa couplings in a heterotic compactification at a Landau-Ginzburg point. External Publication Status: published Document Type: Article Communicated by: Hermann Nicolai Affiliations: MPI für Gravitationsphysik/Quantum Gravity and Unified Theories Identifiers: LOCALID:arXiv:0902.3908 DOI:10.1088/1126-6708/2009/09/118 Full Text: You have privileges to view the following file(s): 0902.3908v2.pdf  [282,00 Kb] [Comment:arXiv:0902.3908v2 [hep-th]]     jhep092009118.pdf  [312,00 Kb]      The scope and number of records on eDoc is subject to the collection policies defined by each institute - see "info" button in the collection browse view.