User Mostafa

8 votes

5 answers

2k views

Examples of manifolds with effective circle actions?

asked Sep 4, 2012 at 16:00

6 votes

2 answers

994 views

Minkowski successive minima inequality for a lattice base?

asked Aug 18, 2013 at 22:54

4 votes

2 answers

407 views

Can we define smooth diffeomorphisms on the Hilbert cube $[0,1]^\mathbb{N}$ ? Has it been done in the literature?

asked Oct 2, 2013 at 7:54

4 votes

1 answer

226 views

Under what conditions can interval exchanges be approximated by periodic maps?

asked Oct 4, 2013 at 21:11

3 votes

1 answer

1k views

Is it possible to define a structure of differentiable manifold on the Hilbert cube $[0,1]^\mathbb{N}$?

asked Oct 1, 2013 at 19:34

2 votes

1 answer

357 views

Is it possible to approximate an area-preserving diffeomorphism by a sequence of conjugates of periodic rotations?

asked Oct 7, 2013 at 19:42

2 votes

1 answer

580 views

when the composition of two ergodic maps is ergodic?

asked Oct 21, 2015 at 12:39

0 votes

1 answer

117 views

How to compute the entropy of a random variable with values in a metric space? [closed]

asked Feb 2, 2018 at 9:38

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8 Questions

Examples of manifolds with effective circle actions?

Minkowski successive minima inequality for a lattice base?

Can we define smooth diffeomorphisms on the Hilbert cube $[0,1]^\mathbb{N}$ ? Has it been done in the literature?

Under what conditions can interval exchanges be approximated by periodic maps?

Is it possible to define a structure of differentiable manifold on the Hilbert cube $[0,1]^\mathbb{N}$?

Is it possible to approximate an area-preserving diffeomorphism by a sequence of conjugates of periodic rotations?

when the composition of two ergodic maps is ergodic?

How to compute the entropy of a random variable with values in a metric space? [closed]