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rpotrie

Uruguay

http://www.cmat.edu.uy/~rpotrie/

http://coloquiooleis.wordpress.com/

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Top Questions

Finite covers of hyperbolic surfaces and the `second systole´

gt.geometric-topology hyperbolic-geometry fundamental-group covering-spaces systolic-geometry asked Mar 13 '17 at 20:02

mathoverflow.net

Constructing 4-manifolds with fundamental group with a given presentation.

gt.geometric-topology asked Jul 1 '10 at 21:54

mathoverflow.net

Topological dimension versus cohomological dimension

gn.general-topology at.algebraic-topology asked Oct 24 '10 at 17:09

mathoverflow.net

Topological conjugacy between homeomorphisms and diffeomorphisms

ds.dynamical-systems asked May 26 '10 at 17:29

mathoverflow.net

Top Answers

sets with positive Lebesgue measure boundary

mathoverflow.net

Curvature of a Lie group

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Why do the homology groups capture holes in a space better than the homotopy groups?

mathoverflow.net

Hausdorff dimension of the boundary of an open set in the Euclidean space - lower bound

mathoverflow.net

Is the composition of non-wandering maps still non-wandering?

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What is the oldest open problem in mathematics?

mathoverflow.net

Do maps have flows?

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Examples of transformations which are weak-mixing but not strong-mixing

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Are there good product rules on the $k$-sphere?

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Existence of a vector field with a finite number of limit cycles.

mathoverflow.net

local behavior of a finite Borel measure

mathoverflow.net

Homomorphisms from R to $Diffeo^+(R)$, or “fractional iterations”

mathoverflow.net

Diffeomorphisms of the sphere conjugate to a rotation

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Product Measure Only Possible Measure?

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The importance of Poincare Conjecture or SPC4?

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Locally compact separable metric spaces

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Subspaces of finite codimension in Banach spaces

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