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75064
  • Member for 9 years, 5 months
  • Last seen more than 9 years ago
24 votes
1 answer
1k views

A curious theorem by Peano

  • 4,318
14 votes
4 answers
673 views

Fourth Order Nonlinear ODE

  • 163
13 votes
1 answer
2k views

Closed unit ball is compact?

  • 479
11 votes
1 answer
2k views

Hille Yosida theorem application

10 votes
1 answer
975 views

Osgood condition

  • 209
10 votes
2 answers
624 views

Infinite dimensional constant rank theorem

  • 101
9 votes
1 answer
581 views

Lebesgue covering dimension of a manifold

9 votes
1 answer
824 views

When are two commuting linear operators functions of each other

  • 515
9 votes
0 answers
2k views

What is the volume of Complex Projective Space with Fubini-Study Metric?

  • 357
7 votes
1 answer
185 views

On a version of gradient descent

  • 1,898
6 votes
2 answers
462 views

Is the Cauchy principal value "invariant" under change of variables?

6 votes
0 answers
2k views

Second derivative of a metric in terms of the Riemann curvature tensor.

5 votes
1 answer
207 views

strict convexity with a measure theoretic property

5 votes
0 answers
101 views

Solution to $\Delta_g u = \delta-1$ on a 2-sphere.

  • 724
4 votes
0 answers
68 views

Analog of Picard's theorem for Fractional Differential equations.

  • 3,212
4 votes
0 answers
216 views

SVD, infinite matrices and normal operators from a function

  • 6,385
4 votes
1 answer
99 views

The $QC$ functions described by Sarason.

4 votes
1 answer
275 views

Relation of the kernels of one bounded operator and its extension

  • 968
4 votes
0 answers
116 views

Optimization of Möbius transformation

  • 41
4 votes
0 answers
177 views

Why can I write the curve shortening flow system as..

  • 9,112
3 votes
0 answers
128 views

Trying to find the lyapunov function

3 votes
0 answers
298 views

$\epsilon$-net of a $n$-dimensional $\ell_2$-ball

3 votes
0 answers
257 views

A finely open set, not open up to polar set?

  • 28.2k
3 votes
2 answers
399 views

Given two sets of vectors, how do I find a change of basis that will convert one set to another?

  • 31
3 votes
0 answers
266 views

Coefficients Relative to a Smooth Frame

  • 24k
3 votes
0 answers
444 views

Showing a Hölder continuous function acted on by a singular integral operator is Hölder continuous

3 votes
1 answer
447 views

Computing the Fourier transform (in the sense of tempered distributions) from a sequence of samples

3 votes
0 answers
401 views

Regularization by mollifier sequences

  • 31
2 votes
0 answers
351 views

Does every Banach space admit a continuous injection to a non-closed subspace of another Banach space?

  • 1,168
2 votes
0 answers
125 views

Calculus of Variations statement of a Singular Value Decomposition?

  • 6,385