An algebro-geometric proof of Witten's conjecture

• Autores: Maxim Kazarian, S.K. Lando
• Localización: Journal of the American Mathematical Society, ISSN 0894-0347, Vol. 20, Nº 4, 2007, págs. 1079-1089
• Idioma: inglés
• DOI: 10.1090/s0894-0347-07-00566-8
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• Resumen

  • We present a new proof of Witten's conjecture. The proof is based on the analysis of the relationship between intersection indices on moduli spaces of complex curves and Hurwitz numbers enumerating ramified coverings of the 2-sphere.