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Dennis Sullivan's user avatar
Dennis Sullivan's user avatar
Dennis Sullivan's user avatar
Dennis Sullivan
  • Member for 13 years
  • Last seen more than a month ago
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Top posts

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32
What is torsion in differential geometry intuitively?
Apr 15, 2018
26
Nontrivial finite group with trivial group homologies?
Feb 10, 2013
26
Is there a complex structure on the 6-sphere?
Apr 4, 2016
17
Mixed Hodge structure on the rational homotopy type
May 31, 2017
16
Poincare duality and the $A_\infty$ structure on cohomology
Jun 25, 2013
14
Topological cobordisms between smooth manifolds
Dec 13, 2019
13
Are there 'cohomology' functors that respect all Eilenberg-Steenrod axioms except homotopy invariance?
Nov 30, 2014
11
how to construct an oriented double cover of a lamination?
Nov 2, 2014
11
(Stable) homotopy groups of Quillen plus construction
Dec 15, 2019
10
History of the notion of $(G,X)$-structure
Mar 30, 2020

Top network posts

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11
Why the moduli space of complex structure in a compact complex manifold is of finite dimension