User Andrey Rekalo

14 votes

If the Riemann Hypothesis fails, must it fail infinitely often?

answered Dec 22, 2010 at 21:03

14 votes

What is the probability that the range of a set of N randomly chosen real numbers in [0, 1] is less than the reciprocal of N?

answered Jan 5, 2011 at 21:04

14 votes

Accepted

The Ramanujan Problems

answered May 17, 2011 at 13:35

14 votes

Countable connected Hausdorff space

answered Nov 22, 2010 at 20:05

13 votes

Does Riemann map depend continuously on the domain?

answered Jan 12, 2011 at 19:40

13 votes

Accepted

Points of continuity of Baire class one functions

answered Jul 15, 2010 at 16:45

13 votes

Where was/is Compensated Compactness used?

answered Jul 19, 2010 at 12:24

13 votes

Accepted

Who discovered the winding number?

answered Jan 6, 2013 at 21:04

12 votes

Accepted

Logarithm of a matrix

answered Jun 5, 2011 at 20:23

12 votes

Projection of Borel set from $R^2$ to $R^1$

answered Aug 1, 2010 at 19:41

12 votes

Harmonic Functions

answered Jun 9, 2010 at 20:17

12 votes

A question about the Osgood curve

answered May 11, 2010 at 17:43

12 votes

Idiosyncratic characterizations of $\ell^p$, for $p\not=1,2,\infty$

answered Dec 13, 2010 at 6:53

12 votes

Nonnegative to Positive Curvature.

answered Dec 1, 2010 at 21:28

12 votes

Accepted

Where does the Chebyshev polynomial notation come from?

answered Oct 10, 2010 at 22:32

12 votes

A Markov process which is not a strong markov process?

answered Oct 27, 2010 at 17:20

11 votes

A set that can be covered by arbitrarily small intervals

answered Jan 27, 2011 at 13:58

11 votes

When Have Numerology and Computational Experimentation Been Successful?

answered Jun 18, 2010 at 18:45

11 votes

Accepted

Strictly convex equivalent norm

answered Jul 3, 2010 at 20:57

11 votes

Algebraic geometry used "externally" (in problems without obvious algebraic structure).

answered Jun 23, 2010 at 19:49

11 votes

How many surjections are there from a set of size n?

answered Jun 25, 2010 at 10:52

10 votes

Why is Fourier analysis so handy for proving the isoperimetric inequality?

answered Jun 7, 2010 at 2:51

10 votes

Accepted

Expected value as decision criterion in the context of rare events

answered Jan 3, 2011 at 1:50

10 votes

What are Central Limit Theorems and why are they called so?

answered Oct 29, 2010 at 17:22

10 votes

What is the naming reason of poles in complex analysis?

answered Nov 7, 2010 at 4:35

10 votes

Distributions on product spaces

answered Jun 30, 2011 at 11:49

9 votes

Accepted

The classical Krein-Rutman theorem

answered Jun 15, 2011 at 19:14

9 votes

Question about Schauder bases in C([0,1]).

answered Oct 31, 2010 at 1:51

9 votes

Accepted

English or French translation of Gauss' "Summatio Quarumdam Serierum Singularium"

answered Nov 17, 2010 at 4:52

9 votes

Accepted

Quantitative bounds for multivariate central limit theorem

answered Nov 23, 2010 at 23:57

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157 Answers

If the Riemann Hypothesis fails, must it fail infinitely often?

What is the probability that the range of a set of N randomly chosen real numbers in [0, 1] is less than the reciprocal of N?

The Ramanujan Problems

Countable connected Hausdorff space

Does Riemann map depend continuously on the domain?

Points of continuity of Baire class one functions

Where was/is Compensated Compactness used?

Who discovered the winding number?

Logarithm of a matrix

Projection of Borel set from $R^2$ to $R^1$

Harmonic Functions

A question about the Osgood curve

Idiosyncratic characterizations of $\ell^p$, for $p\not=1,2,\infty$

Nonnegative to Positive Curvature.

Where does the Chebyshev polynomial notation come from?

A Markov process which is not a strong markov process?

A set that can be covered by arbitrarily small intervals

When Have Numerology and Computational Experimentation Been Successful?

Strictly convex equivalent norm

Algebraic geometry used "externally" (in problems without obvious algebraic structure).

How many surjections are there from a set of size n?

Why is Fourier analysis so handy for proving the isoperimetric inequality?

Expected value as decision criterion in the context of rare events

What are Central Limit Theorems and why are they called so?

What is the naming reason of poles in complex analysis?

Distributions on product spaces

The classical Krein-Rutman theorem

Question about Schauder bases in C([0,1]).

English or French translation of Gauss' "Summatio Quarumdam Serierum Singularium"

Quantitative bounds for multivariate central limit theorem