Spectral properties of functional-differential operators and a Gårding-type inequality, for any nonzero vector, the
operator is
positive definite. The
symmetrized operator is considered which
On the calculation of bounds for the spectrum of a symmetric matrix D in the
operator sense for the large-scale square matrices A and D, where D is
positive-definite Approximation of operator eigenvalue problems in a Hilbert space positive definite operator in an infinite-dimensional Hilbert space is approximated by an
operator EXISTENCE OF OPTIMAL DOMAINS IN PROBLEMS WITH B-SYMMETRICAL B-POSITIVE OPERATORSEXISTENCE OF OPTIMAL DOMAINS IN PROBLEMS WITH B-
SYMMETRICAL B-
POSITIVE OPERATORS Approximation of operator eigenvalue problems in a Hilbert space positive definite operator in an infinite-dimensional Hilbert space is approximated by an
operator О конформно киллинговых и гармонических формах на Римановых
симметрических пространствах that there are no non-zero harmonic forms on a complete, simply connected and irreducible
symmetric space with
positive On the stability of nonlocal boundary value problem for a third order PDE differential equations in a Hilbert space with a self-adjoint
positive definite operator. The main theorem