L²-topology and Lagrangians in the space of connections over a Riemann surface

We examine the L²-topology of the gauge orbits over a closed Riemann surface. We prove a subtle local slice theorem based on the div-curl lemma of harmonic analysis, and deduce local pathwise connectedness of the gauge orbits. Based on a quantitative version of the connectivity, we generalize compac...

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Main Authors: Mrowka, Tomasz S., Wehrheim, Katrin
Other Authors: Massachusetts Institute of Technology. Department of Mathematics
Format: Article
Language:en_US
Published: Springer-Verlag 2012
Online Access:http://hdl.handle.net/1721.1/70476
https://orcid.org/0000-0001-9520-6535
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author Mrowka, Tomasz S.
Wehrheim, Katrin
author2 Massachusetts Institute of Technology. Department of Mathematics
author_facet Massachusetts Institute of Technology. Department of Mathematics
Mrowka, Tomasz S.
Wehrheim, Katrin
author_sort Mrowka, Tomasz S.
collection MIT
description We examine the L²-topology of the gauge orbits over a closed Riemann surface. We prove a subtle local slice theorem based on the div-curl lemma of harmonic analysis, and deduce local pathwise connectedness of the gauge orbits. Based on a quantitative version of the connectivity, we generalize compactness results for anti-self-dual instantons with Lagrangian boundary conditions to general gauge-invariant Lagrangian submanifolds. This provides the foundation for the construction of instanton Floer homology for pairs of a 3-manifold with boundary and a Lagrangian in the configuration space over the boundary.
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spelling mit-1721.1/704762022-09-23T13:13:26Z L²-topology and Lagrangians in the space of connections over a Riemann surface L-2-topology and Lagrangians in the space of connections over a Riemann surface Mrowka, Tomasz S. Wehrheim, Katrin Massachusetts Institute of Technology. Department of Mathematics Mrowka, Tomasz S. Mrowka, Tomasz S. Wehrheim, Katrin We examine the L²-topology of the gauge orbits over a closed Riemann surface. We prove a subtle local slice theorem based on the div-curl lemma of harmonic analysis, and deduce local pathwise connectedness of the gauge orbits. Based on a quantitative version of the connectivity, we generalize compactness results for anti-self-dual instantons with Lagrangian boundary conditions to general gauge-invariant Lagrangian submanifolds. This provides the foundation for the construction of instanton Floer homology for pairs of a 3-manifold with boundary and a Lagrangian in the configuration space over the boundary. 2012-04-27T22:25:11Z 2012-04-27T22:25:11Z 2010-11 2010-05 Article http://purl.org/eprint/type/JournalArticle 1016-443X 1420-8970 http://hdl.handle.net/1721.1/70476 Mrowka, Tomasz S., and Katrin Wehrheim. “L 2-Topology and Lagrangians in the Space of Connections Over a Riemann Surface.” Geometric and Functional Analysis 20.5 (2010): 1278–1305. Web. 27 Apr. 2012. © 2010 Springer-Verlag https://orcid.org/0000-0001-9520-6535 en_US http://dx.doi.org/10.1007/s00039-010-0086-3 Geometric and Functional Analysis Creative Commons Attribution-Noncommercial-Share Alike 3.0 http://creativecommons.org/licenses/by-nc-sa/3.0/ application/pdf Springer-Verlag arXiv
spellingShingle Mrowka, Tomasz S.
Wehrheim, Katrin
L²-topology and Lagrangians in the space of connections over a Riemann surface
title L²-topology and Lagrangians in the space of connections over a Riemann surface
title_full L²-topology and Lagrangians in the space of connections over a Riemann surface
title_fullStr L²-topology and Lagrangians in the space of connections over a Riemann surface
title_full_unstemmed L²-topology and Lagrangians in the space of connections over a Riemann surface
title_short L²-topology and Lagrangians in the space of connections over a Riemann surface
title_sort l² topology and lagrangians in the space of connections over a riemann surface
url http://hdl.handle.net/1721.1/70476
https://orcid.org/0000-0001-9520-6535
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