User Frederik Ravn Klausen

9 votes

2 answers

399 views

Are there more paths exiting a box in $\mathbb{Z}^2$ to the right if I remove some edges to the left

asked Jun 21, 2021 at 17:00

8 votes

0 answers

139 views

What are the tempered Gibbs measures of classical $\phi^4$-theory?

asked Apr 6, 2020 at 7:42

7 votes

2 answers

540 views

If I multiply the coefficients of a trace-class operator with bounded complex numbers is it still trace class?

asked Oct 21, 2021 at 9:46

5 votes

1 answer

250 views

Random walk on $\mathbb{Z}^2$ going forward with probability $p$

asked Nov 24, 2020 at 19:21

4 votes

1 answer

198 views

Does there exist a scale invariant random packing of circles in the plane?

asked Jan 22, 2021 at 17:19

4 votes

0 answers

208 views

Examples of measures that satisfy FKG, but not the FKG lattice condition

asked Jul 11, 2020 at 12:22

4 votes

0 answers

94 views

What is known about the density of states for the Anderson Model?

asked Aug 14, 2020 at 11:06

4 votes

1 answer

265 views

Why does the CHSH game need complicated bases to show advantage?

asked Mar 17, 2022 at 13:47

4 votes

1 answer

240 views

Why is it difficult to define a direct integral of Banach spaces or Banach algebras?

asked May 18, 2022 at 11:43

4 votes

0 answers

99 views

Is this subspace of $B(\mathcal{H})$ known?

asked Apr 4, 2020 at 9:06

3 votes

1 answer

191 views

Which operators on the trace-class operators extend to operators on Hilbert-Schmidt operators?

asked Jun 28, 2021 at 6:51

3 votes

1 answer

142 views

Does the union of two percolation measures satisfying the (FKG) inequality still satisfy (FKG)?

asked Jul 30, 2019 at 10:57

2 votes

0 answers

141 views

Are Weyl sequences polynomially bounded?

asked Feb 15, 2021 at 13:02

1 vote

0 answers

85 views

Does Anderson localisation occur if the potential are equal in pairs?

asked Apr 29, 2021 at 17:44

1 vote

0 answers

77 views

Proving that a model exhibits either a first or second order phase transition

asked Aug 19, 2020 at 18:32

1 vote

1 answer

137 views

A combinatorial identity on even spanning subgraphs in the Erdös-Renyi random graph with relations to the Ising model

asked Dec 29, 2019 at 16:22

1 vote

1 answer

460 views

Fourier transform of a translation invariant operator on $l^2(\mathbb{Z}) \otimes l^2(\mathbb{Z})$

asked Mar 18, 2020 at 19:41

1 vote

1 answer

78 views

Spectrum invariant under (generalised) transpose as operator on trace class operators

asked Apr 25, 2022 at 7:57

1 vote

0 answers

52 views

Intuition behind bound of second moment of Greens function by fractional moment

asked Jan 11, 2022 at 13:06

1 vote

0 answers

24 views

Approximating spectra of (finite rank pertubations of) Laurent operators by spectra of (pertubations of) periodic finite operators

asked Oct 5, 2022 at 9:13

1 vote

1 answer

179 views

On a theorem of Carlson on the necessary and sufficient condition for a matrix to have $m$ real eigenvalues

asked Oct 8, 2022 at 10:15

0 votes

0 answers

42 views

Approximating e-bits by CHSH black boxes

asked Oct 8, 2022 at 15:30

0 votes

0 answers

38 views

Can I explore the infinite cluster of Bernoulli percolation in $\mathbb{Z}^2$?

asked Oct 10, 2022 at 11:19

0 votes

0 answers

79 views

Random walk in random enviroment

asked Oct 22, 2020 at 12:25

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24 Questions

Are there more paths exiting a box in $\mathbb{Z}^2$ to the right if I remove some edges to the left

What are the tempered Gibbs measures of classical $\phi^4$-theory?

If I multiply the coefficients of a trace-class operator with bounded complex numbers is it still trace class?

Random walk on $\mathbb{Z}^2$ going forward with probability $p$

Does there exist a scale invariant random packing of circles in the plane?

Examples of measures that satisfy FKG, but not the FKG lattice condition

What is known about the density of states for the Anderson Model?

Why does the CHSH game need complicated bases to show advantage?

Why is it difficult to define a direct integral of Banach spaces or Banach algebras?

Is this subspace of $B(\mathcal{H})$ known?

Which operators on the trace-class operators extend to operators on Hilbert-Schmidt operators?

Does the union of two percolation measures satisfying the (FKG) inequality still satisfy (FKG)?

Are Weyl sequences polynomially bounded?

Does Anderson localisation occur if the potential are equal in pairs?

Proving that a model exhibits either a first or second order phase transition

A combinatorial identity on even spanning subgraphs in the Erdös-Renyi random graph with relations to the Ising model

Fourier transform of a translation invariant operator on $l^2(\mathbb{Z}) \otimes l^2(\mathbb{Z})$

Spectrum invariant under (generalised) transpose as operator on trace class operators

Intuition behind bound of second moment of Greens function by fractional moment

Approximating spectra of (finite rank pertubations of) Laurent operators by spectra of (pertubations of) periodic finite operators

On a theorem of Carlson on the necessary and sufficient condition for a matrix to have $m$ real eigenvalues

Approximating e-bits by CHSH black boxes

Can I explore the infinite cluster of Bernoulli percolation in $\mathbb{Z}^2$?

Random walk in random enviroment