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arXiv · 1407.2491

The Geometry of Loop Spaces II: Characteristic Classes

Yoshiaki Maeda·Steven Rosenberg·Fabián Torres-Ardila
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Abstract

Using the Wodzicki residue, we build Wodzicki-Chern-Simons (WCS) classes in $H^{2k-1}(LM)$ associated to the residue Chern character on the loop space $LM$ of a Riemannian manifold $M^{2k-1}$. These WCS classes are associated to the $L^2$ connection and the Sobolev $s=1$ connections on $LM.$ The WCS classes detect several families of 5-manifolds whose isometry group has infinite fundamental group. These manifolds are the total spaces of the circle bundles associated to a multiple $p\omega, |p|\gg 0$, of the K\"ahler form $\omega$ over an integral K\"ahler surface.

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Yoshiaki Maeda, Steven Rosenberg, Fabián Torres-Ardila. 2014-07-09. The Geometry of Loop Spaces II: Characteristic Classes. https://arxiv.org/abs/1407.2491

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