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Sebastian Bechtel's user avatar
Sebastian Bechtel's user avatar
Sebastian Bechtel's user avatar
Sebastian Bechtel
  • Member for 9 years, 1 month
  • Last seen more than a week ago
16 votes
2 answers
3k views

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

10 votes
1 answer
587 views

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

7 votes
1 answer
599 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
303 views

Dense subspaces of Hilbert space with trivial intersection

5 votes
3 answers
822 views

Integration with respect to distribution function in Stein's book

5 votes
2 answers
147 views

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

4 votes
2 answers
331 views

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

4 votes
3 answers
9k views

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

4 votes
1 answer
591 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
596 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
530 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
326 views

Wedge product of $k$-forms

3 votes
4 answers
632 views

Introductory text on nets

3 votes
1 answer
163 views

different definitions of a subnet

3 votes
1 answer
895 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
360 views

Maximal ideals of matrix algebra

3 votes
1 answer
418 views

Notation for convex combinations

3 votes
1 answer
382 views

atomic decomposition of Hardy spaces: support question

2 votes
1 answer
303 views

Cavalieri's principle for surface measures

2 votes
2 answers
795 views

Standard form of group von Neumann algebra

2 votes
1 answer
325 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