Nonnegativity of quadratic forms on intersections of quadrics and quadratic mapsThe question of the nonnegativity of
quadratic forms on intersections of
quadratic cones
Two problems of the theory of quadratic mapsGiven
quadratic forms q 1,..., q k, two questions are studied: Under what conditions does the set
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 Necessary optimality conditions for abnormal problems with geometric constraintsThe abnormal minimization problem with
a finite-dimensional image and geometric constraints
Differential properties of the minimum function for diagonalizable quadratic problemsFor the problem of minimizing
a quadratic functional subject to
quadratic equality constraints
Properties of the minimum function in the quadratic problemPerturbations of the
quadratic form minimization problem under
quadratic constraints of the type
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