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Jochen Glueck's user avatar
Jochen Glueck's user avatar
Jochen Glueck's user avatar
Jochen Glueck
  • Member for 7 years, 11 months
  • Last seen this week
  • Wuppertal, Germany
Profile Activity

134 Answers

Score Activity Newest
58 votes
Accepted

Is this proof of Perron's theorem correct, and if so is it original?

33 votes
Accepted

How do mathematicians find coauthors?

33 votes
Accepted

Why should I look at the resolvent formalism and think it is a useful tool for spectral theory?

31 votes
Accepted

Characterizing $\mathbf{R}$ as an ordered group

26 votes
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What are the matrices preserving the $\ell^1$-norm?

25 votes
Accepted

Importance of integral equations

24 votes

Non-differentiable Lipschitz functions

21 votes

How to write math well?

21 votes

a claim for a proof of the invariant subspace problem

17 votes
Accepted

Version of Banach-Steinhaus theorem

16 votes
Accepted

Direct proof of unique invariant distribution for ergodic, positive-recurrent Markov chain

15 votes

How about a statement without proof?

14 votes

Zorn's lemma: old friend or historical relic?

14 votes
Accepted

Matrix exponential, containing a thermal state

13 votes
Accepted

interiors of positive cones in ordered Banach spaces

12 votes
Accepted

Strong limits of nilpotent operators

12 votes
Accepted

Are all positive eigenfunctions principal eigenfunctions?

12 votes
Accepted

The geometry of $\mathbb{R}^n$

10 votes
Accepted

Is $\text{Cont}(\mathbb{R},\mathbb{R})$ dense in $\mathbb{R}^\mathbb{R}$?

10 votes

Applications of basic linear algebra concepts to computer science?

10 votes
Accepted

Linear independence of element-wise powers of positive vectors

10 votes
Accepted

Does closedness of the image of unit sphere imply the closed range of the operator

10 votes
Accepted

Trace norm of operators obtained by restricting the matrix of a trace class operator

10 votes
Accepted

On equibounded sequences in $L^\infty$

9 votes
Accepted

Is there a Hilbert space approach to commutative probability theory on locally compact spaces?

9 votes
Accepted

The definition of simple eigenvalue

9 votes
Accepted

Removing the interior of spectrums

9 votes
Accepted

Reference request: The resolvent is analytic in the resolvent set

8 votes
Accepted

Nonnegative matrices and singular values

8 votes
Accepted

Dominated convergence 2.0?

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