The second bounded cohomology of a group with infinitely many ends

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We study the second bounded cohomology of an amalgamated free product of groups, and an HNN extension of a group. As an application, we have a group with infinitely many ends has infinite dimensional second bounded cohomology.

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Group Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/152981

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9505208
 http://arxiv.org/abs/math/9505208

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arXiv