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    Geometry, Rigidity, and Group Actions

    Posted By: interes
    Geometry, Rigidity, and Group Actions

    Geometry, Rigidity, and Group Actions by David Fisher
    English | 2011-04-30 | ISBN: 0226237885 | PDF | 600 pages | 3 MB

    The study of group actions is more than a hundred years old but remains to this day a vibrant and widely studied topic in a variety of mathematic fields. A central development in the last fifty years is the phenomenon of rigidity, whereby one can classify actions of certain groups, such as lattices in semi-simple Lie groups. This provides a way to classify all possible symmetries of important spaces and all spaces admitting given symmetries. Paradigmatic results can be found in the seminal work of George Mostow, Gergory Margulis, and Robert J. Zimmer, among others.

    My nickname - interes