Sets with a Prescribed Number of Power Invariants |
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Authors: | V V Makeev |
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Institution: | (1) St.Petersburg State University, Russia |
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Abstract: | Let A1,...,An be points in
, let
be a fixed point, let p be a positive integer, and let 1,..., n be positive real numbers. If the
does not depend on the position of M on a sphere with center O, then one says that the point system {A1,...,An} has an invariant of degree p with weight system { ,..., n}. It is proved that for arbitrary positive integers d and N there exists a finite point system
having invariants of degrees p=1,...,N with common positive weight system { 1,..., n}. Bibliography: 2 titles. |
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Keywords: | |
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