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math.FA2013★ 2 cited
Sharp results for the Weyl product on modulation spaces
Elena Cordero, Joachim Toft, Patrik Wahlberg
We give sufficient and necessary conditions on the Lebesgue exponents for the Weyl product to be bounded on modulation spaces. The sufficient conditions are obtained as the restric…
math.AP2013
The equality of the homogeneous and the Gabor wave front set
René Schulz, Patrik Wahlberg
We prove that Hörmander's global wave front set and Nakamura's homogeneous wave front set of a tempered distribution coincide. In addition we construct a tempered distribution with…