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<title><string language="fre"><![CDATA[A. Song - What is the (essential) minimal volume? 3]]></string></title>
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<string language="fre"><![CDATA[I will discuss the 
notion of minimal volume and some of its variants. The minimal volume of
a manifold is defined as the infimum of the volume over all metrics 
with sectional curvature between -1 and 1. Such an invariant is closely 
related to "collapsing theory", a far reaching set of results developed 
by Cheeger, Gromov, Fukaya and others to describe bounded sectional 
curvature metrics. Most of my talks will be focused on presenting the 
main aspects of this theory: thick-thin decomposition, F-structures and 
N-structures, collapsing constructions... Relations of the minimal 
volume to topological invariants will be explained, and some open 
questions will be mentioned.]]></string></description>
<keyword><string language="fre"><![CDATA[Grenoble]]></string></keyword><keyword><string language="fre"><![CDATA[eem2021]]></string></keyword><keyword><string language="fre"><![CDATA[contraintes de courbures et espaces métriques]]></string></keyword><keyword><string language="fre"><![CDATA[curvature constraints and spaces of metrics]]></string></keyword><keyword><string language="fre"><![CDATA[minimal volume]]></string></keyword>
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<entity><![CDATA[BEGIN:VCARD
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FN:Antoine SONG
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ROLE:author
TZ:+0100
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<date><dateTime>2021-06-23</dateTime></date>
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<date><dateTime>2021-06-23</dateTime></date>
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CC BY-NC-ND 4.0]]></string>
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