Concept
Opérateur hypoelliptique
Publications associées (5)
Eigenfunction expansions of ultradifferentiable functions and ultradistributions
In this paper we give a global characterisation of classes of ultradi_erentiable functions and corresponding ultradistributions on a compact manifold X. The characterisation is given in terms of the eigenfunction expansion of an elliptic operator on X. Thi ...
2016Eigenfunction Expansions Of Ultradifferentiable Functions And Ultradistributions
In this paper we give a global characterisation of classes of ultradifferentiable functions and corresponding ultradistributions on a compact manifold X. The characterisation is given in terms of the eigenfunction expansion of an elliptic operator on X. Th ...
American Mathematical Society2016Speech Enhancement using an Improved MMSE Estimator with Laplacian Prior
In this paper we present an optimal estimator of magnitude spectrum for speech enhancement when the clean speech DFT coefficients are modeled by a Laplacian distribution and the noise DFT coefficients are modeled by a Gaussian distribution. Chen has alread ...
2010