Realization of the mapping class group of handlebody by diffeomorphisms

• Autores: Susumu Hirose
• Localización: Proceedings of the American Mathematical Society, ISSN 0002-9939, Vol. 138, Nº 11, 2010, págs. 4157-4159
• Idioma: inglés
• DOI: 10.1090/s0002-9939-2010-10432-x
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• Resumen

  • For the oriented 3-dimensional handlebody constructed from a 3-ball by attaching 1-handles, it is shown that the natural surjection from the group of orientation-preserving diffeomorphisms of it to the mapping class group of it has no section when is at least 6.