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Fourier Restriction for Hypersurfaces in Three Dimensions and Newton Polyhedra (AM-194) (Hardcover)
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Fourier Restriction for Hypersurfaces in Three Dimensions and Newton Polyhedra (AM-194) (Hardcover)
Series: Annals of Mathematics Studies
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This is the first book to present a complete characterization of
Stein-Tomas type Fourier restriction estimates for large classes of
smooth hypersurfaces in three dimensions, including all
real-analytic hypersurfaces. The range of Lebesgue spaces for which
these estimates are valid is described in terms of Newton polyhedra
associated to the given surface. Isroil Ikromov and Detlef Muller
begin with Elias M. Stein's concept of Fourier restriction and some
relations between the decay of the Fourier transform of the surface
measure and Stein-Tomas type restriction estimates. Varchenko's
ideas relating Fourier decay to associated Newton polyhedra are
briefly explained, particularly the concept of adapted coordinates
and the notion of height. It turns out that these classical tools
essentially suffice already to treat the case where there exist
linear adapted coordinates, and thus Ikromov and Muller concentrate
on the remaining case. Here the notion of r-height is introduced,
which proves to be the right new concept. They then describe
decomposition techniques and related stopping time algorithms that
allow to partition the given surface into various pieces, which can
eventually be handled by means of oscillatory integral estimates.
Different interpolation techniques are presented and used, from
complex to more recent real methods by Bak and Seeger. Fourier
restriction plays an important role in several fields, in
particular in real and harmonic analysis, number theory, and PDEs.
This book will interest graduate students and researchers working
in such fields.
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