Nonnegativity of quadratic forms on intersections of quadrics and quadratic mapsThe question of the nonnegativity of
quadratic forms on intersections of
quadratic cones
On two questions of optimization theory concerning quadratic mappings of
quadratic forms. The second problem deals with the positivity of the maximum of finitely many of
quadratic Two problems of the theory of quadratic mapsGiven
quadratic forms q 1,..., q k, two questions are studied: Under what conditions does the set
Differential properties of the minimum function for diagonalizable quadratic problems the
quadratic forms appearing in the statement of the problem are determined by simultaneously diagonalizable
Goldbach's ternary problem involving prime numbers expressible by given quadratic forms positive definite binary
quadratic forms whose discriminants coincide with the discriminants of imaginary
Properties of the minimum function in the quadratic problemPerturbations of the
quadratic form minimization problem under
quadratic constraints of the type
Positive quadratic forms on intersections of quadricsThe positive definiteness of a
quadratic form on the cone defined as the set of points at which
Properties of surjective real quadratic maps map is obtained. A canonical
form of surjective
quadratic maps from ℝ3 to ℝ3 is constructed. © 2016
On real quadratic forms annihilating an intersection of quadricsOn real
quadratic forms annihilating an intersection of quadrics
DEGENERATED QUADRATIC-FORMS IN THE CALCULUS OF VARIATIONSDEGENERATED
QUADRATIC-FORMS IN THE CALCULUS OF VARIATIONS