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// Zapiski Nauchnykh Seminarov POMI
// Archive
Zap. Nauchn. Sem. LOMI,
1983
Volume 126,
Pages
73–76
(Mi znsl4194)
On special quadratic maps
L. N. Dovbysh
Abstract:
Sufficient conditions for the image of the unit ball of Euclidean space by quadratic map to be convex are given.
UDC:
517.5
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Steklov Math. Inst. of RAS
, 2024
Fulltext:
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