Results 91 to 100 of about 2,764,787 (227)
Proceedings in Applied Mathematics and Mechanics, Volume 26, Issue 4, December 2026.ABSTRACT A potential–based, first–integral formulation of the Navier–Stokes equations is used as a platform for modelling solitary waves in gravity‐driven film flow, giving rise to a nonlinear partial differential equation in complex form. Its subsequent modal decomposition—leading to an infinite set of ordinary differential equations (ODEs), followed ...
Markus Scholle +2 more
wiley +1 more source
Results in Applied MathematicsThis study investigates the mathematical properties and soliton dynamics of the (2+1)-dimensional extended Shallow Water Wave (eSWW) and the generalized Hirota-Satsuma-Ito (gHSI) models by Hirota bilinear scheme.
M. Belal Hossen +3 more
doaj +1 more source
Geophysical Research Letters, Volume 53, Issue 18, 28 September 2026.Abstract Hot‐wet extremes (HWEs) are intensifying in the Beijing–Tianjin–Hebei region, but their fine‐scale diurnal urban–rural contrasts remain unclear. Using summer observations from 1,962 automatic weather stations during 2016–2024, we identify threshold‐exceeding HWE days and show that urban areas experience more compound day–night and independent ...
Hanxu Jiang, Boqi Liu, Shuangmei Ma
wiley +1 more source
Geophysical Research Letters, Volume 53, Issue 17, 16 September 2026.Abstract Satellite observations during ionospheric modification experiments have reported trans‐ionospheric high‐frequency (HF) wave propagation even when the pump frequency lies below the peak plasma frequency. Such behavior is often attributed to large‐scale density irregularities that locally permit ordinary‐mode (O‐mode) propagation, but this does ...
Danish Naeem, Dong‐Hun Lee, Kihong Kim
wiley +1 more source
On the non-integrability of the Popowicz peakon system [PDF]
, 2009 We consider a coupled system of Hamiltonian partial differential equations introduced by Popowicz, which has the appearance of a two-field coupling between the Camassa-Holm and Degasperis-Procesi equations.
Irle, Michael V., Hone, Andrew N.W.
core +1 more source
Dimensional Synthesis for Emulating Nonlinear Disclination Dynamics
Nanophotonics, Volume 15, Issue 17, 11 September 2026.(a) Intensity distributions of the 2D disclination lattice under corner‐site excitation in the linear (a1), weakly nonlinear (a2), and strongly nonlinear (a3) regimes. (b) Corresponding one‐dimensional synthesized lattices (1DSLs) obtained through Lanczos mapping under the same nonlinear regimes.
Junqian Wang +5 more
wiley +1 more source
Microring Resonator Dispersion Metrology With Neural Networks
Nanophotonics, Volume 15, Issue 17, 11 September 2026.We present a machine learning framework for inverse and forward characterization of microring resonators, inferring geometry and material dispersion from sparse spectral data. The approach achieves nanometer‐scale accuracy and > 99% material identification, while reconstructing full dispersion spectra.
Ergun Simsek +3 more
wiley +1 more source
Direct Observation of Propagating Spin Waves in a Spin Hall Nano‐Oscillator
Advanced Materials, Volume 38, Issue 52, 16 September 2026.By combining frequency injection locking with time‐resolved scanning transmission x‐ray microscopy (TR‐STXM), the authors image the real‐time magnetization dynamics of a spin Hall nano‐oscillator (SHNO) for the first time. Their results reveal richer dynamics than previously reported and challenge existing assumptions regarding the radiation hardness ...
Victor H. González +12 more
wiley +1 more source
Many body effects in one-dimensional attractive Bose gases [PDF]
, 2013 In this thesis we investigate the properties of ultra-cold quantum gases in reduced dimension and the effects of harmonic confinement on soliton-like properties.
HOLDAWAY, DAVID,IAN,HENRY
core
Alexandria Engineering JournalThe presented work concerns with some novel solutions of the (2+1)-dimensional Boussinesq equation (BE), which acts as an important model for shallow water wave.
Kang-Jia Wang +3 more
doaj +1 more source