Determination of a Function from Its Integrals over Spheres of a Fixed Radius
Fritz John
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Fritz John: New York University, Courant Institute of Mathematical Sciences
Chapter Chapter VI in Plane Waves and Spherical Means, 1981, pp 109-125 from Springer
Abstract:
Abstract The problem to be discussed in this chapter consists in solving a special equation of the form (6.1) T f = g , $$Tf = g,$$ where T is a linear operator converting functions f (x) = f (x 1, ..., x n ) into functions g(x), and where T is invariant under translations. This invariance of T means that, if T associates with a function f (x) the function g(x), then it maps f (x + z) on g (x + z) for any z.
Date: 1981
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-1-4613-9453-2_7
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DOI: 10.1007/978-1-4613-9453-2_7
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