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Functions that are the Directed X-Ray of a Planar Convex Body
Black, William
Kimble, Jennifer
Koop, David
Solmon, Donald C.
2003
Abstract
We characterize functions that are the directed X-ray
of a planar convex body from a source that is a positive distance
from the body. In addition to a concavity condition the necessary
and sufficient conditions involve the structure of points of zero
curvature and a priori estimates for derivatives of the directed
X-ray near supporting rays and points of zero curvature. The
techniques employed also lead to explicit methods for constructing
families of planar convex bodies with a common directed X-ray.
Series
Rendiconti dell’Istituto di Matematica dell’Università di Trieste. An International Journal of Mathematics
35 (2003)
Subjects
Publisher
Università degli Studi di Trieste. Dipartimento di Matematica e Informatica
Source
William Black et al., "Functions that are the Directed X-Ray of a Planar Convex Body", in: Rendiconti dell’Istituto di Matematica dell’Università di Trieste. An International Journal of Mathematics, 35 (2003), pp. 81–115.
Languages
en
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