Results 1 to 10 of about 113 (80)

Some Spectral Properties of p-Laplacian Diffusion Boundary Value Problem on Time Scales

open access: yesITM Web of Conferences, 2018
In this paper, we consider p-Laplacian type Diffusion boundary value problem on an arbitrary time scale. We generalize some spectral properties of p-Laplacian Diffusion problem to an arbitrary time scale.
Gulsen Tuba   +2 more
doaj   +3 more sources

P-Laplacian Dirac system on time scales

open access: yesJournal of Taibah University for Science, 2019
The  $ {p} $ -Laplacian type Dirac systems are nonlinear generalizations of the classical Dirac systems. They can be observed as a bridge between nonlinear systems and linear systems.
Tuba Gulsen, Emrah Yilmaz, Meltem Kayali
doaj   +2 more sources

Comparison results for semilinear elliptic equations via Picone-type identities

open access: yesElectronic Journal of Differential Equations, 2009
By means of a Picone's type identity, we prove uniqueness and oscillation of solutions to an elliptic semilinear equation with Dirichlet boundary conditions.
Tadie
doaj   +1 more source

Picone-type identity and comparison results for a class of partial differential equations of order 4m [PDF]

open access: yesOpuscula Mathematica, 2013
In the paper, a Picone-type identity for the weighted \(p\)-polyharmonic operator is established and comparison theorems and other qualitative results for a class of half-linear partial differential equations of the \(4m\)th order based on this identity ...
Jaroslav Jaroš
doaj   +1 more source

Elbert-type comparison theorems for a class of nonlinear Hamiltonian systems

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2016
Picone-type identities are established for a pair of solutions $(x,y)$ and $(X,Y)$ of the respective systems of the form \begin{equation} x' = r(t)x + p(t)\varphi_{1/\alpha} (y), \qquad y' = - q(t)\varphi_\alpha (x) - r(t)y, \tag{1.1} \end{equation ...
Jaroslav Jaroš, Takaŝi Kusano
doaj   +1 more source

The illusion of competence: Managers and the Dunning–Kruger effect

open access: yesEuropean Management Review, EarlyView.
Abstract Do managers properly recognize their own expertise? This study explores distortions in self‐perception by investigating the presence of the Dunning–Kruger effect, a cognitive bias that distorts self‐assessment, within managerial contexts. Although widely studied in psychology, its implications for management remain underexplored.
Francesca Sanguineti   +3 more
wiley   +1 more source

The roles of multinational enterprises in governing the sustainability of global supply chains

open access: yesInternational Journal of Management Reviews, EarlyView.
Abstract An extensive but fragmented body of research shows that multinational enterprises (MNEs) engage with multiple sustainability rules in global supply chains (GSCs) spanning the private, social and public governance sectors. MNEs perform diverse roles by either shaping or complying with these rules.
Cristina Leone   +2 more
wiley   +1 more source

Structured Inequality, Uncertain Lifespans: Demographic Perspectives on Predicting Individual‐Level Longevity

open access: yesPopulation and Development Review, EarlyView.
Abstract There are striking disparities in life expectancy across sociodemographic groups in the United States, shaped by structural forces such as racism, class inequality, and policy environments. To what extent do sociodemographic characteristics structure—or fail to structure—individual lifespans? Using U.S.
Casey F. Breen, Nathan Seltzer
wiley   +1 more source

Multi‐Step Gravity Wave Propagation From a Tropospheric Vortex to the Ionosphere Near the Tibetan Plateau

open access: yesGeophysical Research Letters, Volume 53, Issue 11, 16 June 2026.
Abstract The atmosphere and ionosphere form a vertically coupled system in which disturbances in the lower atmosphere can modulate ionospheric variability. Using reanalysis data, ground‐based GNSS observations, and COSMIC‐2 profiles, we investigate gravity waves (GWs) generation and upward coupling during a southwest vortex (SWV) event over the Tibetan
Wei Yao   +4 more
wiley   +1 more source

A thermoplastic microfluidic platform with integrated electrospun scaffolds for assessing brain cell‐specific drug selectivity

open access: yesVIEW, Volume 7, Issue 3, June 2026.
Schematic representation of the microfluidic platform with its advantages. Abstract A major challenge in pharmacology is the limited selectivity of therapeutic compounds toward specific tissues or cells. Drugs often distribute systemically before reaching the intended site of action, affecting nontarget cells and potentially reducing efficacy or ...
Maria Testa   +8 more
wiley   +1 more source

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