Results 81 to 90 of about 160 (154)

Biregular Mappings on H×H: Domains of Hyperholomorphy, Integral Representations, and Runge Approximation

open access: yesMathematics
We develop a PDE and boundary integral framework for quaternion-valued fields on product domains Ω⊂H×H governed by the mixed left/right Cauchy–Fueter system We identify the natural compatibility condition and prove local solvability with quantitative H1 ...
Ji Eun Kim
doaj   +1 more source

Carleman estimates and unique continuation for the Schroedinger equation

open access: yesDifferential and Integral Equations, 1995
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +3 more sources

Lower bounds at infinity for solutions to second order elliptic equations

open access: yesElectronic Journal of Differential Equations, 2023
Tu Nguyen
doaj  

Ultradifferentiable CR Manifolds. [PDF]

open access: yesJ Geom Anal, 2020
Fürdös S.
europepmc   +1 more source

Carleman estimates

open access: yes
This work aims to study Carleman estimates, a weighted-type of inequalities first introduced by Carleman in 1939. Such estimates are very important for proving unique continuation properties of differential and pseudo-differential operators. We first derive a Carleman estimate for the Laplacian operator as an illustrative example following the work of ...
openaire   +1 more source

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