About necessary and sufficient condition for strong stationarity of the positive quadratic form

Copyright © 2014 Gulomov Otabek and Shodiev Sagdullo. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. In the paper the finite criteria of the strong stationarity is given for the positive quadratic forms. Before known criteria requires of infinite number of equalities.

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