Results 121 to 130 of about 115,619 (374)

Folding of set-theoretical solutions of the Yang-Baxter equation

open access: yes, 2010
We establish a correspondence between the invariant subsets of a non-degenerate symmetric set-theoretical solution of the quantum Yang-Baxter equation and the parabolic subgroups of its structure group, equipped with its canonical Garside structure ...
Chouraqui, Fabienne, Godelle, Eddy
core   +1 more source

Electrically Tunable Momentum Space Polarization Singularities in Liquid Crystal Microcavities

open access: yesAdvanced Science, EarlyView.
Using a highly birefringent material embedded in a liquid crystal microcavity, the Rashba‐Dresselhaus resonance is obtained. In this regime, polarization singularities, known as C‐points, are observed in momentum space. The positions of these singularities can be modified by applying an external voltage to the sample.
Przemysław Oliwa   +12 more
wiley   +1 more source

The asymptotic behavior of the solutions of degenerate parabolic equations [PDF]

open access: bronze, 1987
Catherine Bandle   +2 more
openalex   +1 more source

Parametrix for a degenerate parabolic equation [PDF]

open access: yesProceedings of the Japan Academy, Series A, Mathematical Sciences, 1979
Iwasaki, Chisato, Iwasaki, Nobuhisa
openaire   +2 more sources

The Wolff gradient bound for degenerate parabolic equations

open access: yesJournal of the European Mathematical Society, 2014
The spatial gradient of solutions to non-homogeneous and degenerate parabolic equations of p -Laplacean type can be pointwise estimated by natural Wolff potentials of the right hand side measure.
Mingione, Giuseppe, Kuusi, Tuomo
openaire   +6 more sources

Energy Dispersion Induced Precisely Tunable Friction of Graphitic Interface

open access: yesAdvanced Science, EarlyView.
This study introduces a novel approach to precisely tune nanoscale friction on monolayer graphene using coupled DC/AC electric fields. Combining experiments (contact‐mode electrostatic force microscopy) and simulations (generalized Prandtl–Tomlinson model), vertical resonance is shown to disperse horizontal energy, reducing friction while preserving ...
Zhao Liu   +6 more
wiley   +1 more source

Homogenization of a nonlinear degenerate parabolic differential equation

open access: yesElectronic Journal of Differential Equations, 2001
In this article, we study the homogenization of the nonlinear degenerate parabolic equation $$ partial_t b({x /varepsilon},u_varepsilon) - mathop{ m div} a({x /varepsilon},{t /varepsilon}, u_varepsilon,abla u_varepsilon)=f(x,t), $$ with mixed boundary ...
A. K. Nandakumaran, M. Rajesh
doaj  

Advanced Temperature Design for Dynamic Performance Enhancement of PEMFCs Under High Current Density (HCD)

open access: yesAdvanced Science, EarlyView.
This study presents an innovative temperature difference (TD) design with an in‐plane gradient to optimize cooling channels in proton exchange membrane fuel cells (PEMFCs) under high current density (HCD) loading. The positive temperature difference (PTD) design improves dynamic response by enhancing hydration upstream and mitigating flooding ...
Fengyang Cai   +3 more
wiley   +1 more source

Existence and continuity of global attractors for a degenerate semilinear parabolic equation

open access: yesElectronic Journal of Differential Equations, 2009
In this article, we study the existence and the upper semicontinuity with respect to the nonlinearity and the shape of the domain of global attractors for a semilinear degenerate parabolic equation involving the Grushin operator.
Cung The Anh, Tran Dinh Ke
doaj  

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