15 citations · 15 across the 8 of their papers we have counts for
9 papers
Weyl laws for exponentially small singular values of the operator
Michael Hitrik, Johannes Sjöstrand, Martin Vogel
We study the number of exponentially small singular values of the semiclassical operator on exponentially weighted spaces on a compact Riemann surface.…
Fractional anisotropic Calderón problem with external data
Ali Feizmohammadi, Tuhin Ghosh, Katya Krupchyk +3
In this paper, we solve the fractional anisotropic Calderón problem with external data in the Euclidean space, in dimensions two and higher, for smooth Riemannian metrics that agre…
Tunneling for the -operator
Johannes Sjöstrand, Martin Vogel
We study the small singular values of the -dimensional semiclassical differential operator on …
Large behavior for the reflection coefficient for Davey-Stewartson II equations
Christian Klein, Johannes Sjöstrand, Nikola Stoilov
The study of complex geometric optics solutions to a system of d-bar equations appearing in the context of electrical impedance tomography and the scattering theory of the integrab…
Improving semi-groups bounds with resolvent estimates
Bernard Helffer, Johannes Sjöstrand
The purpose of this paper is to revisit the proof of the Gearhardt-Prüss-Hwang-Greiner theorem for a semigroup , following the general idea of the proofs that we have seen in…
Large behavior of d-bar problems for domains with a smooth boundary
C. Klein, Johannes Sjöstrand, N. Stoilov
In a previous work on the large behavior of complex geometric optics solutions to a system of d-bar equations, we treated in detail the situation when a certain potential is…