Mathematics – Analysis of PDEs
Scientific paper
2009-03-10
Mathematics
Analysis of PDEs
39 pages, 2 figures. Additional references, modified text and new Fig. 1
Scientific paper
We establish sharp $L^2$-Sobolev estimates for classes of pseudodifferential operators with singular symbols whose non-pseudodifferential (Fourier integral operator) parts exhibit two-sided fold singularities. The operators considered include both singular integral operators along curves in $R^2$ with simple inflection points and normal operators arising in linearized seismic imaging in the presence of fold caustics.
Felea Raluca
Greenleaf Allan
Pramanik Malabika
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