Sasa–Satsuma type matrix integrable hierarchies and their Riemann–Hilbert problems and soliton solutions

WX Ma - Physica D: Nonlinear Phenomena, 2023 - Elsevier
Sasa–Satsuma type matrix integrable hierarchies are generated from taking two group
reductions of replacing the spectral parameter with its complex conjugate and its negative in …

A new (n+1)-dimensional generalized Kadomtsev–Petviashvili equation: integrability characteristics and localized solutions

GQ Xu, AM Wazwaz - Nonlinear Dynamics, 2023 - Springer
Searching for higher-dimensional integrable models is one of the most significant and
challenging issues in nonlinear mathematical physics. This paper aims to extend the classic …

Bilinear form, auto-Bäcklund transformations, Pfaffian, soliton, and breather solutions for a (3+ 1)-dimensional extended shallow water wave equation

CD Cheng, B Tian, Y Shen, TY Zhou - Physics of Fluids, 2023 - pubs.aip.org
Study of the water waves remains central to fluid physics, ocean dynamics, and engineering.
In this paper, a (3+ 1)-dimensional extended shallow water wave equation is investigated …

Extended (2+ 1)-dimensional Kadomtsev-Petviashvili equation in fluid mechanics: solitons, breathers, lumps and interactions

Y Shen, B Tian, TY Zhou, XT Gao - The European Physical Journal Plus, 2023 - Springer
Investigations into the nonlinear phenomena in fluid mechanics are of interest. In this paper,
we study an extended (2+ 1)-dimensional Kadomtsev-Petviashvili equation in fluid …

Multi-lump formations from lump chains and plane solitons in the KP1 equation

Z Zhang, X Yang, B Li, Q Guo, Y Stepanyants - Nonlinear Dynamics, 2023 - Springer
We show that complex higher-order lump patterns can be constructed in two different ways
within the Kadomtsev–Petviashvili (KP1) equation which describes nonlinear wave …

Creation of weakly interacting lumps by degeneration of lump chains in the KP1 equation

Z Zhang, Q Guo, Y Stepanyants - Chaos, Solitons & Fractals, 2023 - Elsevier
We present two different paths to degenerate normally interacting lump chains into
anomalously interacting lump patterns within the Kadomtsev–Petviashvili (KP1) equation. In …

Degenerate lump interactions within the Kadomtsev–Petviashvili equation

Z Zhang, B Li, J Chen, Q Guo, Y Stepanyants - … in Nonlinear Science and …, 2022 - Elsevier
We consider the anomalous scattering of lumps–fully localised two-dimensional solitary
waves–within the framework of the Kadomtsev–Petviashvili equation. Such entities can exist …

[PDF][PDF] Bright solitons in the space-shifted PT-symmetric nonlocal nonlinear Schrödinger equation

S Chen, D Mihalache, K Jin, J Li, J Rao - Rom. Rep. Phys., 2023 - rrp.nipne.ro
Under investigations in this paper are the bright solitons on the zero and periodic wave
background in the space-shifted PT-symmetric nonlocal nonlinear Schrödinger equation …

Degenerate and non-degenerate vector solitons and their interactions in the two-component long-wave–short-wave model of Newell type

J Rao, D Mihalache, J He, F Zhou - Chaos, Solitons & Fractals, 2023 - Elsevier
The focus of this paper is on the dynamics of degenerate and non-degenerate vector
solitons and their collision scenarios in the two-component long-wave–short-wave (2-LS) …

Peculiarities of resonant interactions of lump chains within the KP1 equation

Z Zhang, B Li, J Chen, Q Guo, Y Stepanyants - Physica Scripta, 2022 - iopscience.iop.org
Using the Hirota bilinear method, we derive resonant solutions to the KP1 equation.
Solutions describe lump chains differently oriented in (x, y)-plane. We show that resonant …