Abstract
It is found that, in the spherical coordinate system, the fundamental solution of the Helmholtz equation in a wedge satisfies the Sommerfeld radiation conditions at infinity uniformly in angle coordinates.
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References
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Deceased.
Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 45, No. 9, pp. 1312–1314, September, 1993.
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Mel'nik, Y.I., Podlipenko, Y.K. On Green's function for the Helmholtz equation in a wedge. Ukr Math J 45, 1471–1474 (1993). https://doi.org/10.1007/BF01058646
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DOI: https://doi.org/10.1007/BF01058646