alvarezpaiva

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Name alvarezpaiva
Member for 1 year
Seen May 19 at 7:17
Website
Location Lille, France
Age 46
I'm interested in anything that has (or could have) a geometric flavor.
25

Questions
votes newest views recent
24

2

2
10
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answers
308
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A problem on convex geometry

dec 13 at 9:28 Petya 2,955●6●24

3
9
votes
2
answers
494
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Ellipsoids and lattices: an enclosure problem.

apr 27 at 16:13 alvarezpaiva 4,122●5●21

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4

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4

1
7
votes
2
answers
217
views

Oriented double normals

feb 5 12 at 15:49 Petya 2,955●6●24

 
7
votes
1
answer
421
views

Does the length spectrum determine the volume?

mar 14 12 at 19:39 alvarezpaiva 4,122●5●21

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53

Answers
votes newest views recent
35
Total spaces of $TS^2$ and $S^2 \times R^2$ not homeomorphic
30
The “ds” which appears in an integral with respect to arclength is not a 1-form. What is it?
20
Liouville’s theorem with your bare hands
18
Why do I need densities in order to integrate on a non-orientable manifold?
17
The rank of a symmetric space
12
space of geodesics
8
Length spectrum of spheres
8
How often do people read the work that they cite?
7
New grand projects in contemporary math
6
Intuition for Levi-Civita connection via Hamiltonian flows
6
Which differential equations allow for a variational formulation?
6
Interesting conjectures “discovered” by computers and proved by humans?
6
is the geodesic flow on Hyperbolic Plane completely integrable?
6
Explaining the concept of projective space: notes for students
6
H-principle and PDE’s
5
Is there a coordinate-free proof of the hamiltonian character of the geodesic flow?
5
How the Jacobi metrics may be useful in mechanics with or without constraints?
5
Geodesic path on the unit sphere with the sup norm
5
complex convex functions
5
Quermassintegrals as mean curvature integrals
5
Known size invariant for Riemannian manifolds?
5
Research trends in geometry of numbers?
4
Old books still used
4
“Modern” proof for the Baker-Campbell-Hausdorff formula
4
Approachable French Masters
4
Cartan-Hadamard’s Theorem, Completeness
4
Metric associated to a Connection on a Vector Bundle
4
unique continuation principle
3
Simple closed curves and the coefficent of $\exp(i\theta)$ in the associated Fourier series
3
Reference request : Ehrhart’s conjecture on the geometry of numbers
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