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Dennis Sullivan's user avatar
Dennis Sullivan's user avatar
Dennis Sullivan's user avatar
Dennis Sullivan
  • Member for 10 years, 3 months
  • Last seen more than 2 years ago
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Top posts
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Score Newest
answer
26
Nontrivial finite group with trivial group homologies?
Feb 10, 2013
answer
24
Is there a complex structure on the 6-sphere?
Apr 4, 2016
answer
20
What is torsion in differential geometry intuitively?
Apr 15, 2018
answer
17
Mixed Hodge structure on the rational homotopy type
May 31, 2017
answer
16
Poincare duality and the $A_\infty$ structure on cohomology
Jun 25, 2013
answer
13
Are there 'cohomology' functors that respect all Eilenberg-Steenrod axioms except homotopy invariance?
Nov 30, 2014
answer
13
Topological cobordisms between smooth manifolds
Dec 13, 2019
answer
11
how to construct an oriented double cover of a lamination?
Nov 2, 2014
answer
11
(Stable) homotopy groups of Quillen plus construction
Dec 15, 2019
answer
9
first Chern class of complex vector bundles and first Pontrjagin class of quaternionic vector bundles
Oct 6, 2015
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9
Why the moduli space of complex structure in a compact complex manifold is of finite dimension

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