Sökning: "Microlocal"

Hittade 2 avhandlingar innehållade ordet Microlocal.

1. 1. On some microlocal properties of the range of a pseudo-differential operator of principal type

   Författare :Jens Wittsten; Partiella differentialekvationer; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : The purpose of this thesis is to obtain microlocal analogues of results by L. Hörmander about inclusion relations between the ranges of first order differential operators with smooth coefficients which fail to be locally solvable. LÄS MER

3. 2. Wavelets and Local Regularity

   Författare :Patrik Andersson; Göteborgs universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : We treat a number of topics related to wavelets and the description of local regularity properties of functions. First we prove several different exact characterizations of pointwise Hölder spaces, and use these characterizations to improve a theorem by Jaffard on Hölder exponents. LÄS MER