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search.filters.applied.f.access: openAccess × Author: Kordaß, Jan-Bernhard × End date: 2024 × DDC: 510 × Type: Text × WGL Institute: MFO ×

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    Spaces of Riemannian metrics
    (Oberwolfach : Mathematisches Forschungsinstitut Oberwolfach gGmbH, 2017) Bustamante, Mauricio; Kordaß, Jan-Bernhard
    Riemannian metrics endow smooth manifolds such as surfaces with intrinsic geometric properties, for example with curvature. They also allow us to measure quantities like distances, angles and volumes. These are the notions we use to characterize the "shape" of a manifold. The space of Riemannian metrics is a mathematical object that encodes the many possible ways in which we can geometrically deform the shape of a manifold.
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    The Interaction of Curvature and Topology
    (Oberwolfach : Mathematisches Forschungsinstitut Oberwolfach gGmbH, 2019) Kordaß, Jan-Bernhard
    In this snapshot we will outline the mathematical notion of curvature by means of comparison geometry. We will then try to address questions as the ways in which curvature might influence the topology of a space, and vice versa.