AbstractIt is shown that an operator L with the canonical form L = Dt2p + 1 + a(t, Dx) is locally solvable if and only if a(t, Dx) satisfies a Nirenberg-Treves-type condition
This paper studies the solvability for square systems of classical pseudodifferential operators. We ...
We provide sufficient conditions of local solvability for partial differential operators with variab...
In this paper we will analyze the local solvability property of some second order linear degenerate ...
AbstractIt is shown that a necessary condition for the local solvability of the operator P(x, D) = P...
AbstractIt is shown that a sufficient condition for the local solvability of an operator P(x, Dx) = ...
AbstractWe prove that first-order partial differential operators of principal type with smooth coeff...
We give a new proof of the Nirenberg-Treves conjecture: that local solvability of principal type pse...
We give a proof of the Nirenberg-Treves conjecture: that local solvability of principal type pseudod...
We give a new proof of the Nirenberg-Treves conjecture: that local solvability of principal type pse...
We study the local solvability of a class of operators with multiple characteristics. The class cons...
We give a proof of the Nirenberg-Treves conjecture: that local solvability of principal-type pseudo-...
It was a great surprise when Hans Lewy in 1957 presented a non-vanishing complex vector field that i...
We study the solvability for a system of pseudodifferential operators. We will assume that the syste...
AbstractElliptic complexes, made up of certain linear partial differential operators D1, …, Dd with ...
AbstractMotivated by the celebrated example of Y. Kannai of a linear partial differential operator w...
This paper studies the solvability for square systems of classical pseudodifferential operators. We ...
We provide sufficient conditions of local solvability for partial differential operators with variab...
In this paper we will analyze the local solvability property of some second order linear degenerate ...
AbstractIt is shown that a necessary condition for the local solvability of the operator P(x, D) = P...
AbstractIt is shown that a sufficient condition for the local solvability of an operator P(x, Dx) = ...
AbstractWe prove that first-order partial differential operators of principal type with smooth coeff...
We give a new proof of the Nirenberg-Treves conjecture: that local solvability of principal type pse...
We give a proof of the Nirenberg-Treves conjecture: that local solvability of principal type pseudod...
We give a new proof of the Nirenberg-Treves conjecture: that local solvability of principal type pse...
We study the local solvability of a class of operators with multiple characteristics. The class cons...
We give a proof of the Nirenberg-Treves conjecture: that local solvability of principal-type pseudo-...
It was a great surprise when Hans Lewy in 1957 presented a non-vanishing complex vector field that i...
We study the solvability for a system of pseudodifferential operators. We will assume that the syste...
AbstractElliptic complexes, made up of certain linear partial differential operators D1, …, Dd with ...
AbstractMotivated by the celebrated example of Y. Kannai of a linear partial differential operator w...
This paper studies the solvability for square systems of classical pseudodifferential operators. We ...
We provide sufficient conditions of local solvability for partial differential operators with variab...
In this paper we will analyze the local solvability property of some second order linear degenerate ...