Virasoro constraint for Nekrasov instanton partition function

Autor: Kanno, Shoichi, Matsuo, Yutaka, Zhang, Hong
Rok vydání: 2012
Předmět:
Druh dokumentu: Working Paper
DOI: 10.1007/JHEP10(2012)097
Popis: We show that Nekrasov instanton partition function for SU(N) gauge theories satisfies recursion relations in the form of U(1)+Virasoro constraints when {\beta} = 1. The constraints give a direct support for AGT conjecture for general quiver gauge theories.
Comment: 23 pages, 7 figures. v2: typos corrected
Databáze: arXiv