Spaces of positive intermediate curvature metrics

被引:0
|
作者
Georg Frenck
Jan-Bernhard Kordaß
机构
[1] KIT,
[2] Karlsruher Institut für Technologie,undefined
[3] University of Fribourg,undefined
来源
Geometriae Dedicata | 2021年 / 214卷
关键词
Spaces of metrics; Curvature bounds; Cobordism theory; Homotopy groups of Madsen—Tillmann—Weiss-spectra; Surgery stability; 53C21; 57R20; 57R65; 57R90; 58D05; 58D17;
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摘要
In this paper we study spaces of Riemannian metrics with lower bounds on intermediate curvatures. We show that the spaces of metrics of positive p-curvature and k-positive Ricci curvature on a given high-dimensional Spin\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mathrm {Spin}$$\end{document}-manifold have many non-trivial homotopy groups provided that the manifold admits such a metric.
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页码:767 / 800
页数:33
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