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Answers
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24
Not especially famous, long-open problems which anyone can understand
14
Which math paper maximizes the ratio (importance)/(length)?
10
What’s so great about blackboards?
10
On The Convergence of Ergodic Measures
10
Non-existence of ergodic measures
9
Applications of and motivation for von Neumann’s mean ergodic theorem
9
What’s your favorite equation, formula, identity or inequality?
9
Blue and red balls puzzle
7
topologically mixing subshifts without ergodic measures (2)
7
Old books still used
6
What are good non-English languages for mathematicians to know?
5
How to detect frequency?
5
A metric for Grassmannians
5
Regular borel measures on metric spaces
4
Is it realistic to want to classify minimal sub-systems (in small dimension) ?
4
Characterising ergodicity of continuous maps
4
Any known compact expression for
4
Continued fractions using all natural integers
3
Does it help to learn statistical mechanics in order to learn thermodynamic formalism?
3
Can Cantor set be the zero set of a continuous function?
3
A topologically mixing subshift with multiple measures of maximal entropy
3
Transitive shifts with multiple fully supported MMEs
3
How quickly will billiard trajectories cluster?
3
What do singular, atomless invariant measures of $\times d$ look like?
3
About dense orbits on dynamical systems
2
When is an Anosov diffeomorphism mixing?
2
Estimate entropy of a binary process in terms of decay of correlations
2
Equivalence of two definitions of Lyapunov exponents
2
Open problems in PDEs, dynamical systems, mathematical physics
2
Fourier transform of x2 invariant measure
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