Automorphisms of spectral lattices of unbounded positive operators© 2014, Pleiades Publishing, Ltd. We introduce and study
spectral order on
unbounded operators Automorphisms of spectral lattices of unbounded positive operators© 2014, Pleiades Publishing, Ltd. We introduce and study
spectral order on
unbounded operators On the stability of the index of unbounded nonlocal operators in Sobolev spacesUnbounded operators corresponding to nonlocal elliptic problems on a bounded region G ⊂ ℝ 2
Inverse Spectral Problem for the Third-Order Differential EquationThis paper is concerned with the inverse
spectral problem for the third-
order differential equation
Solvability of degenerating hyperbolic differential equations with unbounded operator coefficients and with
operator coefficients in a Banach space and establish sufficient conditions for the unique solvability
MODEL OF HYDROGEN ATOM QUANTUM MEASUREMENTS ON RIGGED HILBERT SPACES. The
operators of observables of rather simple explicit form are converted into pseudo-differential
operators Counterexample to Barcilon’s Uniqueness Theorem for the Fourth-Order Inverse Spectral Problem in the inverse
spectral theory for higher-
order differential
operators. The example is obtained by a finite
Existence of Solutions of Anisotropic Elliptic Equations with Variable Exponents in Unbounded Domains equations of second
order with divergent form and variable exponents. The corresponding elliptic
operators Spectral Properties of the Fourth Order Differential Operator with Integral ConditionsAbstract: We consider an ordinary fourth-
order differential equation with a
spectral parameter