Wavelet Bases for Confinements of the Infrared Divergence |
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Authors: | Béatrice Vedel |
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Institution: | (1) LMAM, Université de Bretagne Sud, Université Européenne de Bretagne, Centre Y. Coppens, Bat. B, 1er étage, Campus de Tohannic, BP 573, 56017 Vannes, France |
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Abstract: | We propose the construction of wavelet bases with pseudo-polynomials adapted to the homogeneous Sobolev spaces
, s−n/2∈ℕ. They provide a confinement of the infrared divergence by decomposing
as a direct sum X
⊕
Y where X is a “small” space which carries the divergence and Y can be embedded in
. In the case of
we also construct such an orthonormal basis, which provides a confinement of the Mumford process. |
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Keywords: | Homogeneous Sobolev spaces Wavelet bases Infrared divergence Mumford process |
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