On a class of elliptic differential operators degenerating at one point
On a class of non linear differential operators of first order with singular point.
On a Class of Pseudodifferential Operators with Double Characteristics.
On a class of unsolvable operators
On a nonlinear elliptic boundary value problem
On a solvability condition for systems with an injective symbol in terms of iterations of double layer potentials.
On a theorem of Jörgens and Chernoff concerning essential self-adjointness of Dirac operators.
On coupling constant thresholds and related eigenvalue properties of Dirac operators.
On exponential growth of solutions of abstract initial value problems
On iterations of Green type integrals for matrix factorizations of the Laplace operator
Convergence of special Green integrals for matrix factorization of the Laplace operator in is proved. Explicit formulae for solutions of -equation in strictly pseudo-convex domains in are obtained.
On local properties of some classes of infinitely degenerate elliptic differential operators.
On Lp estimates for square roots of second order elliptic operators on Rn.
On Non-Degeneracy of the Ground State of Schrödinger Operators.
On one class of matrix differential operators.
On reduction of linear two variable functional equations to differential equations without substitutions.
On semilinear elliptic eigenvalue problem with eigenparameter in the boundary conditions.
On some new spectral estimates for Schrödinger-like operators
We prove the analog of the Cwikel-Lieb-Rozenblum estimate for a wide class of second-order elliptic operators by two different tools: Lieb-Thirring inequalities for Schrödinger operators with matrix-valued potentials and Sobolev inequalities for warped product spaces.
On some Schrödinger operators with a singular complex potential
On stability of classes of Lipschitz mappings generated by compact sets of linear mappings.
On the Abel basis property of the system of root vector-functions of degenerate elliptic differential operators with singular matrix coefficients.