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The wave trace on a flat surface with conical singularities Hillairet, Luc


We study the contribution to the wave trace of diffractive periodic orbits on  Euclidean surfaces with conical singularities. Using a new description of the propagator near  the so-called geometrically diffractive rays, we are able to compute the leading term of any kind of  diffractive periodic orbit. Joint work with A. Ford and A. Hassell.

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