## A Non-concentration Estimate for Partially Rectangular Billiards

- HANS CHRISTIANSON, H. CHRISTIANSON
- 2014

- Published 2013

We prove a strong conditional unique continuation estimate for irreducible quasimodes in rotationally invariant neighbourhoods on compact surfaces of revolution. The estimate states that Laplace quasimodes which cannot be decomposed as a sum of other quasimodes have L mass bounded below by Cǫλ for any ǫ > 0 on any open rotationally invariant neighbourhood… CONTINUE READING

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