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    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeMar 25th 2015
    • (edited Mar 25th 2015)

    The traditional concepts of asymptotically flat spacetime and asymptotically anti de Sitter spacetimes unify, at least naively, from the point of view of Cartan geometry: here both are Cartan geometries that approach their model Klein geometry “at infinity”.

    Is there any discussion in the literature of what would be this general concept? Cartan geometries “approaching” their model Klein geometry “asymptotically” in some suitable sense?