User Ian Morris

20 votes

1 answer

5k views

A Fourier-analytic inequality used by Jean Bourgain

asked Jul 10, 2012 at 15:09

15 votes

3 answers

2k views

Alternative proofs of the Krylov-Bogolioubov theorem

asked Jul 30, 2011 at 20:29

14 votes

6 answers

3k views

Examples of transformations which are weak-mixing but not strong-mixing

asked Nov 23, 2010 at 10:53

13 votes

4 answers

2k views

Groups of matrices in which all elements have all eigenvalues equal in modulus

asked Jun 6, 2016 at 14:24

12 votes

1 answer

1k views

An inequality for the spectral radius of matrices used by J. Bochi

asked Jan 15, 2016 at 13:20

11 votes

1 answer

647 views

Existence of a pair of matrices in SL(2,Z) satisfying certain constraints on the spectral radius

asked Jun 8, 2010 at 14:45

10 votes

1 answer

401 views

Non-oscillatory behaviour in the subadditive ergodic theorem

asked Jul 18, 2011 at 21:27

10 votes

1 answer

423 views

Modern version of an inequality of R. M. Gabriel for contour integrals

asked Nov 9, 2012 at 22:54

9 votes

2 answers

292 views

How many multiplications are needed to generate a matrix algebra?

asked Feb 2, 2017 at 10:21

8 votes

2 answers

1k views

Sets of matrices which are irreducible but not strongly irreducible

asked Feb 10, 2016 at 11:14

8 votes

0 answers

398 views

Approximate singular value decomposition in Banach spaces

asked Jan 23, 2015 at 0:29

8 votes

1 answer

972 views

Density of strictly ergodic measures in the d-bar topology

asked Jan 18, 2012 at 12:19

7 votes

3 answers

758 views

A weak-mixing, zero entropy measure on the 2-shift which gives equal weight to both symbols

asked Feb 27, 2014 at 17:32

7 votes

2 answers

303 views

Local maxima and minima of the trace of a product of $SL_2^\pm(\mathbb{R})$-matrices

asked Jun 20, 2014 at 22:04

6 votes

1 answer

269 views

Simultaneous triangularisation of an exterior power of a set of matrices

asked Mar 3, 2017 at 14:32

6 votes

1 answer

440 views

How often does a pair of linear maps generate a Zariski-dense subgroup of $GL(d,\mathbb{R})$?

asked Jul 11, 2016 at 11:18

6 votes

0 answers

215 views

Matrix semigroups in which a weighted average of eigenvalues is multiplicative

asked Jul 22, 2016 at 11:36

6 votes

1 answer

230 views

The approximation property for some spaces of holomorphic functions

asked Aug 7, 2017 at 16:12

6 votes

0 answers

1k views

Reference request: natural extensions of topological dynamical systems

asked Nov 5, 2010 at 16:43

5 votes

0 answers

246 views

A weak Perron-Frobenius property for sets of positive matrices

asked Mar 18, 2015 at 12:11

5 votes

0 answers

217 views

Quasicompactness of transfer operators associated to IID matrix products

asked May 29, 2013 at 14:06

4 votes

0 answers

269 views

Exterior powers and singular values on Hilbert spaces

asked Feb 11, 2014 at 18:41

4 votes

1 answer

76 views

Bound for the generalised Rényi dimension of a measure

asked Sep 3, 2015 at 16:31

4 votes

0 answers

106 views

Freeness of a matrix semigroup

asked Nov 16, 2015 at 21:53

3 votes

0 answers

87 views

Trace of a weighted composition operator on Bergman space

asked May 2, 2017 at 14:30

3 votes

1 answer

380 views

Topological weak mixing and $\omega$-linearly-independent sequences generated by composition operators

asked Nov 8, 2011 at 14:36

3 votes

1 answer

343 views

A differential inclusion relating to the slope of a convex function

asked Aug 4, 2010 at 16:31

2 votes

2 answers

196 views

Irreducibility of tuples of matrices

asked Oct 23, 2015 at 16:28

2 votes

1 answer

187 views

Orthogonal complements in exterior powers

asked Sep 26, 2023 at 9:48

1 vote

0 answers

30 views

Extending the projective action of several positive linear maps to a complex neighbourhood

asked May 24, 2017 at 9:05

Stack Exchange Network

30 Questions

A Fourier-analytic inequality used by Jean Bourgain

Alternative proofs of the Krylov-Bogolioubov theorem

Examples of transformations which are weak-mixing but not strong-mixing

Groups of matrices in which all elements have all eigenvalues equal in modulus

An inequality for the spectral radius of matrices used by J. Bochi

Existence of a pair of matrices in SL(2,Z) satisfying certain constraints on the spectral radius

Non-oscillatory behaviour in the subadditive ergodic theorem

Modern version of an inequality of R. M. Gabriel for contour integrals

How many multiplications are needed to generate a matrix algebra?

Sets of matrices which are irreducible but not strongly irreducible

Approximate singular value decomposition in Banach spaces

Density of strictly ergodic measures in the d-bar topology

A weak-mixing, zero entropy measure on the 2-shift which gives equal weight to both symbols

Local maxima and minima of the trace of a product of $SL_2^\pm(\mathbb{R})$-matrices

Simultaneous triangularisation of an exterior power of a set of matrices

How often does a pair of linear maps generate a Zariski-dense subgroup of $GL(d,\mathbb{R})$?

Matrix semigroups in which a weighted average of eigenvalues is multiplicative

The approximation property for some spaces of holomorphic functions

Reference request: natural extensions of topological dynamical systems

A weak Perron-Frobenius property for sets of positive matrices

Quasicompactness of transfer operators associated to IID matrix products

Exterior powers and singular values on Hilbert spaces

Bound for the generalised Rényi dimension of a measure

Freeness of a matrix semigroup

Trace of a weighted composition operator on Bergman space

Topological weak mixing and $\omega$-linearly-independent sequences generated by composition operators

A differential inclusion relating to the slope of a convex function

Irreducibility of tuples of matrices

Orthogonal complements in exterior powers

Extending the projective action of several positive linear maps to a complex neighbourhood