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math.DS2026
Analytic symplectomorphisms displaying minimal ergodicity on the sphere, cylinder and disk
Yann Delaporte
We construct analytic symplectomorphisms on the sphere, the disk and the cylinder which are minimally ergodic (only 3 ergodic measures). To achieve this, we apply and generalize a…
math.DS2026
A flower theorem in
Kémo Morvan
We prove an analog of the flower theorem for non-degenerate reduced tangent to the identity germs that fix the coordinate hyperspaces in any dimension.