Results 21 to 30 of about 56,089 (229)

Lax pullback complements and pullbacks of spans

open access: yesTheory and Applications of Categories, 2018
Pullback complements were introduced by the second author [Partial products and pullback complements, Seminarberichte (Fernuniversität Hagen) 18, 199--216 (1983); see also \textit{R. Dyckhoff} and \textit{W. Tholen}, J. Pure Appl. Algebra 49, 103--116 (1987; Zbl 0659.18003)] and, since then, they were used, especially in theoretical computer science ...
Hosseini, Seyed Naser   +2 more
openaire   +2 more sources

Continuity of selected pullback attractors [PDF]

open access: yesPartial Differential Equations and Applications, 2021
In this work we obtain theoretical results on continuity of selected pullback attractors and we apply them to reaction diffusion equations with dynamical boundary ...
Rodrigo A. Samprogna, Jacson Simsen
openaire   +3 more sources

Random Attractor for Stochastic Wave Equation with Arbitrary Exponent and Additive Noise on $\mathbb{R}^n$ [PDF]

open access: yes, 2014
Asymptotic random dynamics of weak solutions for a damped stochastic wave equation with the nonlinearity of arbitrarily large exponent and the additive noise on $\mathbb{R}^n$ is investigated.
Li, Hongyan, You, Yuncheng
core   +1 more source

Star operations and pullbacks

open access: yesJournal of Algebra, 2004
to appear in J ...
FONTANA, Marco, PARK MI HEE
openaire   +4 more sources

Intracochlear Pressure Changes After Cochlea Implant Electrode Pullback—Reduction of Intracochlear Trauma

open access: yesLaryngoscope Investigative Otolaryngology, 2019
Objective Different aspects should be considered to achieve an atraumatic insertion of cochlear implant electrode arrays as an important surgical goal. Intracochlear pressure changes are known to influence the preservation of residual hearing.
Gina Lauer   +4 more
doaj   +1 more source

Advances to Electrode Pullback in Cochlear Implant Surgery

open access: yesThe Scientific World Journal, 2012
Objective. To observe the intracochlear behavior of a cochlear implant electrode insertion technique (called “pullback”) in temporal bones. Study Design. Experimental. Settings. Tertiary referral center. Method.
Ingo Todt   +3 more
doaj   +1 more source

Parameter shifts for nonautonomous systems in low dimension: Bifurcation- and Rate-induced tipping [PDF]

open access: yes, 2016
We discuss the nonlinear phenomena of irreversible tipping for non-autonomous systems where time-varying inputs correspond to a smooth "parameter shift" from one asymptotic value to another.
Ashwin, Peter   +2 more
core   +2 more sources

The pullback attractor for the 2D g-Navier-Stokes equation with nonlinear damping and time delay

open access: yesAIMS Mathematics, 2023
In this article, the global well-posedness of weak solutions for 2D non-autonomous g-Navier-Stokes equations on some bounded domains were investigated by the Faedo-Galerkin method.
Xiaoxia Wang, Jinping Jiang
doaj   +1 more source

Time-dependent attractors for non-autonomous nonlocal reaction-diffusion equations [PDF]

open access: yes, 2018
In this paper, the existence and uniqueness of weak and strong solutions for a non-autonomous nonlocal reaction-diffusion equation is proved. Next, the existence of minimal pullback attractors in the L2 -norm in the frameworks of universes of fixed ...
Caraballo Garrido, Tomás   +2 more
core   +1 more source

Backwards Asymptotically Autonomous Dynamics for 2D MHD Equations

open access: yesDiscrete Dynamics in Nature and Society, 2018
We consider the backwards topological property of pullback attractors for the nonautonomous MHD equations. Under some backwards assumptions of the nonautonomous force, it is shown that the theoretical existence result for such an attractor is derived ...
Jiali Yu, Wenhuo Su, Dongmei Xu
doaj   +1 more source

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