Peter Luthy's user avatar
Peter Luthy's user avatar
Peter Luthy's user avatar
Peter Luthy
  • Member for 13 years, 11 months
  • Last seen more than a month ago
21 votes

Why pi-systems and Dynkin/lambda systems? On the relative merits of approaches in measure theory.

20 votes

Why is differentiating mechanics and integration art?

15 votes

How did Gauss discover the invariant density for the Gauss map?

15 votes

Why do we care about $L^p$ spaces besides $p = 1$, $p = 2$, and $p = \infty$?

12 votes

Probabilistic proofs of analytic facts

9 votes

Would Euler's proofs get published in a modern math Journal, especially considering his treatment of the Infinite?

9 votes

Ingenuity in mathematics

8 votes

What is convolution intuitively?

7 votes
Accepted

A quick and elementary question from Hubbard's Teichmuller Theory : Volume I

7 votes

Applications of PDE in mathematical subjects other than geometry & topology

6 votes

What is the difference between hard and soft analysis?

5 votes

Nice Classes of Non-Closable Operators

5 votes

Is there any geometry where the triangle inequality fails?

5 votes
Accepted

Can the supremum of continuous functions be discontinuous on a set of positive measure?

4 votes

Carleson's Theorem (on the Adeles and other exotic groups)

3 votes

Best online mathematics videos?

3 votes

A Bijection Between the Reals and Infinite Binary Strings

3 votes

Beginning a sentence with a mathematical symbol

3 votes

Splines, harmonic analysis, singular integrals.

3 votes

Square roots of the Laplace operator

3 votes

Analytic functions with algebraic Taylor coefficients at some point.

2 votes

What are trig classes like within a universe that's "noticeably" hyperbolic?

2 votes
Accepted

High dimensional beta integral (a typo in Stein's book "singular integrals")