User António Borges Santos - MathOverflow

António Borges Santos

Member for 2 years
Last seen more than a week ago

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answers

20

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Yearling

May 26

10

bronze badges

Cleanup

Apr 11, 2023
Benefactor

May 19, 2023
Promoter

May 16, 2023

Top tags

real-analysis

0

Score

16

Posts

80

Posts %

ca.classical-analysis-and-odes

0

Score

12

Posts

60

Posts %

fa.functional-analysis

0

Score

8

Posts

40

Posts %

harmonic-analysis

0

Score

6

Posts

30

Posts %

linear-algebra

0

Score

5

Posts

25

Posts %

matrices

0

Score

4

Posts

20

Posts %

Top posts

View all questions and answers

8

Smooth approximation of Hölder functions "from below"

Apr 11, 2023

7

Rigorous estimates on roots of function

Dec 12, 2022

6

Spectrum of operator involving ladder operators

Jan 19, 2023

6

Log-convexity of determinant

May 14, 2023

5

Approximation of Hölder continuous functions "from below"

Apr 10, 2023

5

Matrices with same eigenvalues

May 3, 2023

4

Schroedinger operator in 2 dimensions with singular potential

Feb 25

4

Bound in terms of harmonic oscillator

Mar 22

4

Fourier transform in $L^1$?

May 26

3

Eigenvalues two-fold degenerate

May 2, 2023