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20012005
most citedThe theta characteristic of a branched covering

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math.GR2001

Uniform Exponential Growth for Linear Groups

Alex Eskin, Shahar Mozes, Hee Oh

We announce the folowing result: Any finitely generated non virtually solvable linear group over a field of characteristic zero has uniform exponential growth.

math.DS2001

Billiards in rectangles with barriers

Alex Eskin, Howard Masur, Martin Schmoll

We use Ratner's theorem to compute the asymptotics of the number of (cylinders of) periodic trajectories in a rectangle with a barrier, assuming that the location p/q of the barrie…