Room P3.10, Mathematics Building

Jorge Drumond Silva, Instituto Superior Técnico

Using ideas from the Weyl quantization, we show how the classical theorem by Y. Egorov, on conjugation of pseudo-differential operators by Fourier integral operators, can have its accuracy increased.

References

  1. G. Folland, Harmonic Analysis in Phase Space, Princeton University Press.
  2. J. Duistermaat, Fourier Integral Operators, Birkhauser.
  3. L. Hormander, The Analysis of Linear Partial Differential Operators, Vol. III, IV, Springer-Verlag.