Results 21 to 30 of about 173,975,381 (346)

Phosphodiesterase and psychiatric disorders: a two-sample Mendelian randomization study

open access: yesJournal of Translational Medicine, 2023
Background Phosphodiesterases (PDEs) have been associated with psychiatric disorders in observational studies; however, the causality of associations remains unestablished.
Miaomiao Jiang   +7 more
doaj   +1 more source

Stochastic PDEs with multiscale structure [PDF]

open access: yes, 2012
We study the spatial homogenisation of parabolic linear stochastic PDEs exhibiting a two-scale structure both at the level of the linear operator and at the level of the Gaussian driving noise.
Martin Hairer   +4 more
core   +1 more source

Moving boundary problems for a novel extended mKdV equation. Application of Ermakov-Painlevé II symmetry reduction [PDF]

open access: yesOpen Communications in Nonlinear Mathematical Physics
A novel extension of the canonical solitonic mKdV equation is introduced which admits hybrid Ermakov-Painlevé II symmetry reduction. Application of the latter is made to obtain exact solution of Airy-type to a class of moving boundary problems of Stefan ...
Colin Rogers, Adriana C. Briozzo
doaj   +1 more source

Moving boundary problems with Ermakov symmetry reduction: nonlinear superposition principle and reciprocal transformation applications [PDF]

open access: yesOpen Communications in Nonlinear Mathematical Physics
Moving boundary problems of Stefan-type for a novel third order nonlinear evolution equation with temporal modulation are here shown to be amenable to exact Airy-type solution via a classical Ermakov equation with its admitted nonlinear superposition ...
Colin Rogers, Adriana C. Briozzo
doaj   +1 more source

Stability analysis of hierarchical tensor methods for time-dependent PDEs [PDF]

open access: yesJournal of Computational Physics, 2019
In this paper we address the question of whether it is possible to integrate time-dependent high-dimensional PDEs with hierarchical tensor methods and explicit time stepping schemes.
Abram Rodgers, D. Venturi
semanticscholar   +1 more source

Leader-Follower Synchronization and ISS Analysis for a Network of Boundary-Controlled Wave PDEs [PDF]

open access: yesIEEE Control Systems Letters, 2020
A network of agents, modeled by a class of wave PDEs, is under investigation. One agent in the network plays the role of a leader, and all the remaining “follower” agents are required to asymptotically track the state of the leader. Only boundary sensing
L. Aguilar, Y. Orlov, A. Pisano
semanticscholar   +1 more source

On Riemann wave superpositions obtained from the Euler system [PDF]

open access: yesOpen Communications in Nonlinear Mathematical Physics
The paper contains an analysis of the conditions for the existence of elastic versus non-elastic wave superpositions governed by the Euler system in (1+1)-dimensions.
Łukasz Chomienia   +1 more
doaj   +1 more source

A weak maximum principle-based approach for input-to-state stability analysis of nonlinear parabolic PDEs with boundary disturbances [PDF]

open access: yesMCSS. Mathematics of Control, Signals and Systems, 2019
In this paper, we introduce a weak maximum principle-based approach to input-to-state stability (ISS) analysis for certain nonlinear partial differential equations (PDEs) with certain boundary disturbances.
Jun Zheng, Gu-Chuan Zhu
semanticscholar   +1 more source

Analysis and approximation of mixed-dimensional PDEs on 3D-1D domains coupled with Lagrange multipliers [PDF]

open access: yesSIAM Journal on Numerical Analysis, 2020
Coupled partial differential equations defined on domains with different dimensionality are usually called mixed dimensional PDEs. We address mixed dimensional PDEs on three-dimensional (3D) and one-dimensional domains, giving rise to a 3D-1D coupled ...
M. Kuchta   +3 more
semanticscholar   +1 more source

Conservation laws of nonlinear PDEs arising in elasticity and acoustics in Cartesian, cylindrical, and spherical geometries [PDF]

open access: yesOpen Communications in Nonlinear Mathematical Physics
Conservation laws are computed for various nonlinear partial differential equations that arise in elasticity and acoustics. Using a scaling homogeneity approach, conservation laws are established for two models describing shear wave propagation in a ...
Willy Hereman, Rehana Naz
doaj   +1 more source

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