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Negatively curved bundles in the Igusa stable range

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arxiv 1711.11315 v3 pith:DJCGQHKN submitted 2017-11-30 math.GT math.ATmath.DG

classification math.GTmath.ATmath.DG
keywords curvednegativelygroupshomotopym-bundlesmetricssmoothspace
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We use classical results in smoothing theory to extract information about the rational homotopy groups of the space of negatively curved metrics on a high dimensional manifold. It is also shown that smooth M-bundles over spheres equipped with fiberwise negatively curved metrics, represent elements of finite order in the homotopy groups of the classifying space for smooth M-bundles, provided the dimension of M is large enough.

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