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Cosine
  • Member for 2 years, 7 months
  • Last seen more than a week ago
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Top posts
question
7
eigenvalues of a first order differential operator on a manifold
Aug 30, 2023
answer
6
If two matrices have same characteristic polynomial, then if square root for one exists, it also exists for the other one.
Nov 8, 2022
question
5
Questions on Dudley's paper "Formulas for Primes"
Aug 7, 2023
question
3
If G is a product of two subgroups, must one of them be normal? [closed]
May 13
question
1
Question on different definitions of principal bundles
Feb 14, 2022
question
1
Are there sufficient conditions for a curve in Rn to be "strictly convex"?
Jul 11, 2023
question
1
What is the sectional curvature of this explicitely given n-dimensional submanifold of R^(n+1)?
Sep 24, 2023
question
1
Are there compact metric spaces with Hausdorff measure equal to 0 or infinty
Jun 17
question
0
Example of a geodesic metric space with non-integer Hausdorff dimension
Jun 15, 2023
Top network posts
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18
Is the minimal volume a topological invariant?
11
A topological tree is weakly contractible
6
When can we find a net, defined on a totally ordered index set, converging to a non-isolated point in a compact Hausdorff space?
5
Given a totally ordered system of Banach spaces, can we we always change the norms to get isometric embeddings?
5
Can you always extend an isometry of a subset of a Hilbert Space to the whole space?