Articles with "balls fixed" as a keyword



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The problem of shadow for balls with fixed radius

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Published in 2017 at "Journal of Mathematical Sciences"

DOI: 10.1007/s10958-017-3438-9

Abstract: Our main purpose is the solution of the problem of shadow for a family of balls with fixed radius in the n-dimensional Euclidean space. Many similar problems were studied in the works of one of… read more here.

Keywords: shadow balls; fixed radius; balls fixed; problem shadow ... See more keywords
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On Functions with Zero Integral Moments over Balls of Fixed Radius

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Published in 2018 at "Doklady Mathematics"

DOI: 10.1134/s1064562418030213

Abstract: We consider precise conditions ensuring that a function having zero integrals over all balls of fixed radius is equal to zero. The case where, together with zero integrals for f over congruent balls, the functions… read more here.

Keywords: balls fixed; integral moments; zero integral; zero integrals ... See more keywords