Rigorous analysis of the unified transform method and long-range instabilities for the inhomogeneous time-dependent Schrödinger equation on the quarter-plane

A Chatziafratis, T Ozawa, SF Tian - Mathematische Annalen, 2024 - Springer
In this paper, we report on the discovery of a previously-unknown type of long-range
instability phenomenon for the one-dimensional linear Schrödinger (LS) equation on the …

Boundary behavior of the solution to the linear Korteweg‐De Vries equation on the half line

A Chatziafratis, S Kamvissis… - Studies in Applied …, 2023 - Wiley Online Library
In this paper, we consider the solution to the linear Korteweg‐De Vries (KdV) equation, both
homogeneous and forced, on the quadrant x∈ R+, t∈ R+ {x∈R^+,t∈R^+} via the unified …

Local well‐posedness of the higher‐order nonlinear Schrödinger equation on the half‐line: Single‐boundary condition case

A Alkın, D Mantzavinos, T Özsarı - Studies in Applied …, 2024 - Wiley Online Library
We establish local well‐posedness in the sense of Hadamard for a certain third‐order
nonlinear Schrödinger equation with a multiterm linear part and a general power …

Integral representations for the double-diffusivity system on the half-line

A Chatziafratis, EC Aifantis, A Carbery… - Zeitschrift für angewandte …, 2024 - Springer
A novel method is presented for explicitly solving inhomogeneous initial-boundary-value
problems (IBVPs) on the half-line for a well-known coupled system of evolution partial …

The Korteweg–de Vries equation on the half-line with Robin and Neumann data in low regularity spaces

AA Himonas, F Yan - Nonlinear Analysis, 2022 - Elsevier
The well-posedness of the initial–boundary value problem (ibvp) for the Korteweg–de Vries
equation on the half-line is studied for initial data u 0 (x) in spatial Sobolev spaces H s (0,∞) …

A higher dispersion KdV equation on the half-line

AA Himonas, F Yan - Journal of Differential Equations, 2022 - Elsevier
The initial-boundary value problem (ibvp) for the m-th order dispersion Korteweg-de Vries
(KdV) equation on the half-line with rough data and solution in restricted Bourgain spaces is …

Long‐time asymptotics and the radiation condition with time‐periodic boundary conditions for linear evolution equations on the half‐line and experiment

Y Mao, D Mantzavinos… - Studies in Applied …, 2024 - Wiley Online Library
Abstract The asymptotic Dirichlet‐to‐Neumann (D‐N) map is constructed for a class of
scalar, constant coefficient, linear, third‐order, dispersive equations with asymptotically …

Qualitative analysis of the dynamic for the nonlinear Korteweg–de Vries equation with a boundary memory

B Chentouf - Qualitative Theory of Dynamical Systems, 2021 - Springer
This paper addresses the impact of the presence of a boundary memory term in the third-
order Korteweg–de Vries equation in a bounded interval 0, ℓ 0, ℓ. First, an overall literature …

[HTML][HTML] An elementary proof of the lack of null controllability for the heat equation on the half line

K Kalimeris, T Özsarı - Applied Mathematics Letters, 2020 - Elsevier
In this note, we give an elementary proof of the lack of null controllability for the heat
equation on the half line by employing the machinery inherited by the unified transform …

The nonlinear Schrödinger equation on the half-line with a Robin boundary condition

AA Himonas, D Mantzavinos - Analysis and Mathematical Physics, 2021 - Springer
The initial-boundary value problem for the nonlinear Schrödinger equation on the half-line
with initial data in Sobolev spaces H s (0,∞), 1/2< s⩽ 5/2, s≠ 3/2, and Robin boundary data …