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Mark's user avatar
Mark's user avatar
Mark
  • Member for 13 years, 8 months
  • Last seen more than 2 years ago
73 votes

Suggestions for good notation

56 votes
Accepted

Demystifying the Caratheodory approach to measurability

55 votes

Generalizing a problem to make it easier

41 votes

Proof synopsis collection

30 votes

Examples of common false beliefs in mathematics

21 votes

Books you would like to read (if somebody would just write them…)

13 votes
Accepted

Finite-dimensional faithful representations of compact groups

11 votes

Examples of common false beliefs in mathematics

9 votes

What are the most misleading alternate definitions in taught mathematics?

8 votes

Fundamental Examples

8 votes

a complex borel measure, whose Fourier transform goes to zero

8 votes

Two reference requests: Pinsker's inequality and Pontryagin duality

7 votes
Accepted

A density on the natural numbers invariant with respect to the multiplication

6 votes

Theorems in Euclidean geometry with attractive proofs using more advanced methods

5 votes

"Slap your forehead" moments- Greatest Hits

5 votes
Accepted

Matrix decomposition the other way

5 votes
Accepted

Alternative proofs of the Krylov-Bogolioubov theorem

4 votes
Accepted

trivial map on $\sigma-$algebra $\mod{}0$ is trivial

4 votes

What is the difference between a primary representation and a irreducible representation?

4 votes

What's your favorite equation, formula, identity or inequality?

4 votes

Undergraduate Level Math Books

4 votes

Ergodic limits along subsets of $\mathbb{N}.$

3 votes
Accepted

A non-standard ergodic limit

3 votes

orbits in locally compact group

3 votes

Undergraduate Level Math Books

3 votes

On proving that a certain set is not empty by proving that it is actually large

3 votes

Increasing sets Lemma for chains

3 votes

Are there any mathematical objects that exist but have no concrete examples?

2 votes

Lie group operation and tangent vectors

2 votes

Picking a representative in a continuous way