Recent progress in the theory of nonlinear diffusion with fractional Laplacian operators

JL Vázquez - arXiv preprint arXiv:1401.3640, 2014 - arxiv.org
We report on recent progress in the study of nonlinear diffusion equations involving
nonlocal, long-range diffusion effects. Our main concern is the so-called fractional porous …

Optimum receiver for molecule shift keying modulation in diffusion-based molecular communication channels

H ShahMohammadian, GG Messier… - Nano Communication …, 2012 - Elsevier
Designing an optimum receiver for diffusion-based molecular communication in nano-
networks needs a well justified channel model. In this paper, we present a linear and time …

A concave—convex elliptic problem involving the fractional Laplacian

C Brändle, E Colorado, A de Pablo… - Proceedings of the …, 2013 - cambridge.org
We study a nonlinear elliptic problem defined in a bounded domain involving fractional
powers of the Laplacian operator together with a concave—convex term. We completely …

[HTML][HTML] A critical fractional equation with concave–convex power nonlinearities

B Barrios, E Colorado, R Servadei, F Soria - … de l'Institut Henri Poincaré C …, 2015 - Elsevier
In this work we study the following fractional critical problem (P λ)={(− Δ) su= λ u q+ u 2 s⁎−
1, u> 0 in Ω, u= 0 in R n∖ Ω, where Ω⊂ R n is a regular bounded domain, λ> 0, 0< s< 1 and …

The mathematical theories of diffusion: nonlinear and fractional diffusion

JA Carrillo, M del Pino, A Figalli, G Mingione… - Nonlocal and Nonlinear …, 2017 - Springer
We describe the mathematical theory of diffusion and heat transport with a view to including
some of the main directions of recent research. The linear heat equation is the basic …

A fractional porous medium equation

A De Pablo, F Quirós, A Rodríguez, JL Vázquez - Advances in Mathematics, 2011 - Elsevier
We develop a theory of existence, uniqueness and regularity for the following porous
medium equation with fractional diffusion, with m> m⁎=(N− 1)/N, N⩾ 1 and f∈ L1 (RN). An …

Nonlinear diffusion with fractional Laplacian operators

JL Vázquez - Nonlinear partial differential equations: the Abel …, 2012 - Springer
We describe two models of flow in porous media including nonlocal (long-range) diffusion
effects. The first model is based on Darcy's law and the pressure is related to the density by …

[HTML][HTML] A local stabilized approach for approximating the modified time-fractional diffusion problem arising in heat and mass transfer

O Nikan, Z Avazzadeh, JAT Machado - Journal of Advanced Research, 2021 - Elsevier
Introduction During the last years the modeling of dynamical phenomena has been
advanced by including concepts borrowed from fractional order differential equations. The …

Multiple solutions for a class of fractional Schrödinger equations in RN

K Teng - Nonlinear Analysis: Real World Applications, 2015 - Elsevier
In this paper we study the fractional Schrödinger type equations (− Δ) s u+ V (x) u= f (x, u),
x∈ R N. The nonlinearity f is assumed to be asymptotically linear or superquadratic growth …

[HTML][HTML] Hippocampal reactivation of random trajectories resembling Brownian diffusion

F Stella, P Baracskay, J O'Neill, J Csicsvari - Neuron, 2019 - cell.com
Hippocampal activity patterns representing movement trajectories are reactivated in
immobility and sleep periods, a process associated with memory recall, consolidation, and …