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Search: All articles in the CJM digital archive with keyword conormal

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1. CJM 2005 (vol 57 pp. 750)

Sabourin, Hervé
 Sur la structure transverse Ã  une orbite nilpotente adjointe We are interested in Poisson structures to transverse nilpotent adjoint orbits in a complex semi-simple Lie algebra, and we study their polynomial nature. Furthermore, in the case of $sl_n$, we construct some families of nilpotent orbits with quadratic transverse structures. Keywords:nilpotent adjoint orbits, conormal orbits, Poisson transverse structureCategories:22E, 53D

2. CJM 2000 (vol 52 pp. 897)

Christiansen, T. J.; Joshi, M. S.
 Higher Order Scattering on Asymptotically Euclidean Manifolds We develop a scattering theory for perturbations of powers of the Laplacian on asymptotically Euclidean manifolds. The (absolute) scattering matrix is shown to be a Fourier integral operator associated to the geodesic flow at time $\pi$ on the boundary. Furthermore, it is shown that on $\Real^n$ the asymptotics of certain short-range perturbations of $\Delta^k$ can be recovered from the scattering matrix at a finite number of energies. Keywords:scattering theory, conormal, LagrangianCategory:58G15
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