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Continuation of positively determined functions on the ball in the infinite sphere

It is shown that every positive definite function on a ball in an infinite-dimensional sphere can be extended to a positive definite function on the whole sphere, and the extension is moreover unique.

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Bibliographic Details
Date:	1992
Main Authors:	Kuznetsova , О. M., Кузнецова , О. М.
Format:	Article
Language:	Russian
Published:	Institute of Mathematics, NAS of Ukraine 1992
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/7890
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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