User Zen Harper

17 votes

Undergraduate math research

answered Nov 12, 2010 at 9:55

14 votes

Accepted

Examples of non-metrizable spaces

answered Jan 14, 2011 at 7:02

11 votes

Analytic continuation of holomorphic functions

answered Aug 4, 2010 at 19:50

10 votes

When I can safely assume that a function is a Laplace transform of other function?

answered Dec 3, 2010 at 7:53

10 votes

What is the easiest randomized algorithm to motivate to the layperson?

answered May 4, 2011 at 3:50

9 votes

Yet another 'roadmap' style request- a second bite of the cherry

answered Jul 20, 2010 at 1:41

6 votes

Demystifying complex numbers

answered Jul 8, 2010 at 0:52

6 votes

Elementary + short + useful

answered Apr 5, 2011 at 10:56

5 votes

Accepted

Undefined gamma function problem

answered Mar 8, 2011 at 9:33

5 votes

Splines, harmonic analysis, singular integrals.

answered Jul 10, 2010 at 18:41

5 votes

Does this sequence span $L^2$?

answered Jun 11, 2010 at 8:20

5 votes

"Slap your forehead" moments- Greatest Hits

answered Jul 17, 2010 at 3:07

4 votes

Why linear algebra is fun!(or ?)

answered Jul 31, 2010 at 23:59

4 votes

Weighted Hardy Inequality for bounded domains

answered Jun 12, 2010 at 2:05

3 votes

If the fourier transformed of f is odd, is f odd?

answered Jun 22, 2010 at 11:25

3 votes

Continuous + holomorphic on a dense open => holomorphic?

answered Aug 8, 2010 at 13:31

3 votes

magic square in the complex plane with equal integrals along every horizontal, vertical and diagonal

answered Jan 26, 2011 at 16:22

2 votes

Accepted

The Frechet derivative and Lagrange multipliers on Banach spaces

answered Jan 26, 2011 at 20:18

2 votes

Fourier Series application for dissertation

answered Feb 21, 2011 at 3:13

2 votes

The maximum of a real trigonometric polynomial

answered Aug 17, 2010 at 1:49

2 votes

Accepted

Understanding the inverse Laplace transform of a function with essential singularities

answered Jun 1, 2012 at 10:28

2 votes

Why isn't the theorem of approximation applicable in Banach spaces?

answered Aug 13, 2010 at 9:11

2 votes

What are your experiences of handouts in mathematics lectures?

answered Jun 8, 2010 at 6:18

2 votes

Existence of weak limits

answered Jun 17, 2010 at 4:31

2 votes

A Learning Roadmap request: From high-school to mid-undergraduate studies

answered Jul 17, 2010 at 2:45

1 vote

On linear independence of exponentials

answered Jul 22, 2010 at 23:41

1 vote

Coefficients of holomorphic functions defined by Borel probability measures on the unit disc

answered Aug 13, 2010 at 9:52

-6 votes

Theorems that are 'obvious' but hard to prove

answered Jan 9, 2011 at 14:10

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28 Answers

Undergraduate math research

Examples of non-metrizable spaces

Analytic continuation of holomorphic functions

When I can safely assume that a function is a Laplace transform of other function?

What is the easiest randomized algorithm to motivate to the layperson?

Yet another 'roadmap' style request- a second bite of the cherry

Demystifying complex numbers

Elementary + short + useful

Undefined gamma function problem

Splines, harmonic analysis, singular integrals.

Does this sequence span $L^2$?

"Slap your forehead" moments- Greatest Hits

Why linear algebra is fun!(or ?)

Weighted Hardy Inequality for bounded domains

If the fourier transformed of f is odd, is f odd?

Continuous + holomorphic on a dense open => holomorphic?

magic square in the complex plane with equal integrals along every horizontal, vertical and diagonal

The Frechet derivative and Lagrange multipliers on Banach spaces

Fourier Series application for dissertation

The maximum of a real trigonometric polynomial

Understanding the inverse Laplace transform of a function with essential singularities

Why isn't the theorem of approximation applicable in Banach spaces?

What are your experiences of handouts in mathematics lectures?

Existence of weak limits

A Learning Roadmap request: From high-school to mid-undergraduate studies

On linear independence of exponentials

Coefficients of holomorphic functions defined by Borel probability measures on the unit disc

Theorems that are 'obvious' but hard to prove