Sebastian Bechtel's user avatar
Sebastian Bechtel's user avatar
Sebastian Bechtel's user avatar
Sebastian Bechtel
  • Member for 9 years
  • Last seen this week
16 votes
2 answers
3k views

In which algebraic setting can I state (and prove) the binomial theorem?

10 votes
1 answer
575 views

Understand representations of c*-algebras from a categorical point of view

7 votes
1 answer
593 views

How many topologies exist on a finite set?

6 votes
3 answers
2k views

Name of some category with two objects

6 votes
1 answer
302 views

Dense subspaces of Hilbert space with trivial intersection

5 votes
3 answers
820 views

Integration with respect to distribution function in Stein's book

5 votes
2 answers
145 views

dense subspace of $L^2$ that is disjoint to $L^p$

4 votes
2 answers
328 views

Why are factors the natural building stones of a von Neumann algebra?

4 votes
3 answers
8k views

Online calculator for $ p $-adic valuations and absolute values.

4 votes
1 answer
587 views

F. & M. Riesz theorem

4 votes
2 answers
3k views

sphere-filling curve

4 votes
0 answers
65 views

Why are functional calculi interesting?

3 votes
1 answer
581 views

Fourier method heat equation, partial time derivative

3 votes
1 answer
203 views

pointwise convergence of a filter on $\mathbb{R}^\mathbb{R}$

3 votes
0 answers
528 views

Relation of Brownian motion and heat kernel

3 votes
1 answer
65 views

Why does a set product often transform to a tensor product?

3 votes
0 answers
203 views

Density of orthogonal projections in $\mathcal{B}(\mathcal{H})$ [closed]

3 votes
0 answers
325 views

Wedge product of $k$-forms

3 votes
4 answers
625 views

Introductory text on nets

3 votes
1 answer
161 views

different definitions of a subnet

3 votes
1 answer
892 views

integral domains and field of fractions

3 votes
1 answer
112 views

SOT on $B(H)$ different to SOT on $B(H)\otimes 1$

3 votes
1 answer
358 views

Maximal ideals of matrix algebra

3 votes
1 answer
405 views

Notation for convex combinations

3 votes
1 answer
361 views

atomic decomposition of Hardy spaces: support question

2 votes
1 answer
300 views

Cavalieri's principle for surface measures

2 votes
2 answers
786 views

Standard form of group von Neumann algebra

2 votes
1 answer
317 views

Trace method is interpolation method

2 votes
0 answers
55 views

Relation between "intrinsic" and "extrinsic" definition of Bessel potential spaces

2 votes
1 answer
147 views

Bijection in the Yoneda Lemma