Search Results - "hyper- diffusion"

Hyper Diffusion Avatars: Dynamic Human Avatar Generation using Network Weight Space Diffusion

Authors: Cao, Dongliang Sun, Guoxing Habermann, Marc et al.

Subject Terms: FOS: Computer and information sciences, Computer Vision and Pattern Recognition (cs.CV), Graphics, Computer Vision and Pattern Recognition, Graphics (cs.GR)

Access URL: http://arxiv.org/abs/2509.04145

Hyper-diffusion on multiplex networks

Authors: Ghorbanchian, Reza Latora, Vito Bianconi, Ginestra

Index Terms: Physics - Physics and Society, Condensed Matter - Disordered Systems and Neural Networks, Computer Science - Social and Information Networks, text

URL: http://arxiv.org/abs/2205.10291

Hyper-diffusion on multiplex networks

Authors: Reza Ghorbanchian Vito Latora Ginestra Bianconi

Source: Journal of Physics: Complexity. 3:035009

Subject Terms: Social and Information Networks (cs.SI), FOS: Computer and information sciences, Physics - Physics and Society, hyper-diffusion, 0103 physical sciences, FOS: Physical sciences, higher-order networks, Computer Science - Social and Information Networks, Physics and Society (physics.soc-ph), Disordered Systems and Neural Networks (cond-mat.dis-nn), Condensed Matter - Disordered Systems and Neural Networks, multiplex networks, 01 natural sciences

Access URL: http://arxiv.org/abs/2205.10291

A horizontal hyper-diffusion three-dimensional thermocline planetary geostrophic model: well-posedness and long-time behaviour: A `horizontal' hyper-diffusion three-dimensonal thermocline planetary geostrophic model: well-posedness and long-time behaviour

Authors: Mohammed Ziane Chongsheng Cao Edriss S. Titi

Source: Nonlinearity. 17:1749-1776

Subject Terms: global existence, hyper-diffusion model, uniqueness, global attractor, PDEs in connection with fluid mechanics, Meteorology and atmospheric physics, 01 natural sciences, Mathematics - Analysis of PDEs, weak and strong solutions, FOS: Mathematics, Attractors, 0101 mathematics, Existence, uniqueness, and regularity theory for incompressible viscous fluids, Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs, Analysis of PDEs (math.AP), 0105 earth and related environmental sciences

File Description: application/xml

Access URL: http://arxiv.org/pdf/math/0307344
http://arxiv.org/abs/math/0307344
https://zbmath.org/2158143
https://doi.org/10.1088/0951-7715/17/5/011
https://arxiv.org/abs/math/0307344
https://arxiv.org/pdf/math/0307344.pdf

MAGNETIC RECONNECTION, HELICITY DYNAMICS, AND HYPER-DIFFUSION

Authors: Guo, ZB Diamond, PH Wang, XG

Source: The Astrophysical Journal. 757(2)

Subject Terms: magnetic fields, magnetic reconnection, magnetohydrodynamics, turbulence, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Physical Chemistry (incl. Structural), Astronomy & Astrophysics

File Description: application/pdf

Access URL: https://escholarship.org/uc/item/3kj732jz
https://escholarship.org/content/qt3kj732jz/qt3kj732jz.pdf

MAGNETIC RECONNECTION, HELICITY DYNAMICS, AND HYPER-DIFFUSION

Source: Astrophysical Journal; 757; 2; Other Information: Country of input: International Atomic Energy Agency (IAEA)

File Description: Medium: X; Size: [15 page(s)]

Access URL: http://www.osti.gov/scitech/biblio/22092160

A “horizontal” hyper–diffusion 3 − D thermocline planetary geostrophic model: wellposedness and long time behavior, Nonlinearity 17

Authors: Chongsheng Cao Edriss S. Titi Mohammed Ziane et al.

Contributors: Chongsheng Cao Edriss S. Titi Mohammed Ziane et al.

Source: http://arxiv.org/pdf/math/0307344v1.pdf.

File Description: application/pdf

Relation: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.239.4897; http://arxiv.org/pdf/math/0307344v1.pdf

Availability: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.239.4897
http://arxiv.org/pdf/math/0307344v1.pdf

Non-Gaussian distributions

Authors: Jean-Marie Teuler Victor Mastrangelo Michèle Mastrangelo

Source: Applied Mathematics and Computation. 101:99-124

Subject Terms: non-Gaussian diffusions, hyper-diffusion, diffusion equation, fractional Brownian motion, fractional calculus, 01 natural sciences, Other computational problems in probability, non-Gaussian distributions, Characteristic functions, other transforms, stable processes, non-Gaussian diffusion processes, 0103 physical sciences, Brownian motion, 0101 mathematics, Diffusion processes, hypo-diffusion, Applications of Brownian motions and diffusion theory (population genetics, absorption problems, etc.)

File Description: application/xml

Access URL: https://zbmath.org/1464519
https://doi.org/10.1016/s0096-3003(99)00029-6
https://dblp.uni-trier.de/db/journals/amc/amc109.html#MastrangeloMT00
https://www.sciencedirect.com/science/article/pii/S0096300399000296
https://doi.org/10.1016/S0096-3003(98)10003-6

Landmark Matching via Large Deformation Diffeomorphisms on the Sphere: Landmark matching via large deformation diffeomorphisms on the sphere

Authors: Olivier Faugeras Rachid Deriche David Tschumperlé et al.

Contributors: Olivier Faugeras Rachid Deriche David Tschumperlé et al.

Source: Journal of Mathematical Imaging and Vision. 20:179-200

Subject Terms: Variational methods for second-order elliptic equations, Automation and Robotics, signal denoising, Helmholtz Equation, image denoising, Image Processing, structure-preserving algorithms, impulse noise removal, Bayesian inference, Nonsmooth analysis, 0211 other engineering and technologies, Manifolds and measure-geometric topics, 02 engineering and technology, image restoration, 01 natural sciences, motion estimation, Engineering, Double Fourier Series, active contour surface reconstruction, video reconstruction, Artificial Intelligence (Incl. Robotics), Finite difference methods for initial value and initial-boundary value problems involving PDEs, 0202 electrical engineering, electronic engineering, information engineering, nonlinear diffusion, geodesic distance, diffeomorphisms, homogeneous spaces, Numerical methods in optimal control, Variational inequalities, image reconstruction, Computing methodologies for image processing, Machine vision and scene understanding, affine group, regularization, Surfaces in Euclidean and related spaces, brain mapping, Beltrami framework, Spectral, collocation and related methods for boundary value problems involving PDEs, constraints, multi-valued data, natural gradient, Signal theory (characterization, reconstruction, filtering, etc.), Spherical Harmonics, restoration, differential invariants, image regularization, variational methods, large deformations, Methods of global Riemannian geometry, including PDE methods, curvature restrictions, statistical interpolation, landmark matching, Active Contour Surface Reconstruction, Gibbs sampling, Riemannian metric, double Fourier series, image sharpening, star-shaped surfaces, Helmholtz equation, image enhancement, 0101 mathematics, Computer Imaging, image filtering, hyper-diffusion, Lie groups, Biomedical imaging and signal processing, non-smooth analysis, outliers, spherical harmonics, variational image processing, Random fields, image analysis, Dynamical systems in biology, total variation, Computer Science, Star-shaped Surfaces, sphere, Graphics and Computer Vision, Image processing (compression, reconstruction, etc.) in information and communication theory, non-smooth optimization

File Description: application/xml; 400905 bytes; 3115 bytes; application/pdf; text/plain

Access URL: http://www.math.tau.ac.il/~sochen/Articles/sochen-mia02-final.pdf
http://deepblue.lib.umich.edu/bitstream/2027.42/46627/1/10851_2004_Article_5151173.pdf
https://zbmath.org/2060340
https://doi.org/10.1023/b:jmiv.0000011920.58935.9c
https://zbmath.org/2060341
https://doi.org/10.1023/b:jmiv.0000011322.17255.85
https://zbmath.org/2060335
https://doi.org/10.1023/b:jmiv.0000011324.14508.fb
https://link.springer.com/10.1023/B:JMIV.0000011320.81911.38
https://dblp.uni-trier.de/db/journals/jmiv/jmiv20.html#LiH04
http://doi.org/10.1023/B:JMIV.0000011324.14508.fb
https://deepblue.lib.umich.edu/handle/2027.42/46627
https://deepblue.lib.umich.edu/bitstream/handle/2027.42/46627/10851_2004_Article_5151173.pdf;sequence=1
https://dl.acm.org/doi/10.1023/B%3AJMIV.0000011326.88682.e5
https://hal.archives-ouvertes.fr/hal-00263586
https://dblp.uni-trier.de/db/journals/jmiv/jmiv20.html#GlaunesVM04
https://link.springer.com/10.1023/B:JMIV.0000011323.32914.f3
https://link.springer.com/article/10.1023%2FB%3AJMIV.0000011323.32914.f3
https://link.springer.com/10.1023/B:JMIV.0000011321.19549.88

Image Sharpening by Flows Based on Triple Well Potentials

Authors: Guy Gilboa Nir Sochen Yehoshua Y. Zeevi et al.

Contributors: Guy Gilboa Nir Sochen Yehoshua Y. Zeevi et al.

Source: http://tiger.technion.ac.il/~gilboa/pub/JMIV_mia02_GSZ.pdf.

Subject Terms: image filtering, image enhancement, image sharpening, nonlinear diffusion, hyper- diffusion, variational

File Description: application/pdf

Relation: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.14.5447; http://tiger.technion.ac.il/~gilboa/pub/JMIV_mia02_GSZ.pdf

Availability: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.14.5447
http://tiger.technion.ac.il/~gilboa/pub/JMIV_mia02_GSZ.pdf

Convection in porous medium using Darcy-Brinkman model with chemical reaction and higher concentration gradient effects.

Authors: Khalaf, Sanaa L. Harfash, Akil J.

Source: Physics of Fluids. Oct2025, Vol. 37 Issue 10, p1-14. 14p.

Subject Terms: *STABILITY theory, *NUMERICAL analysis, *POROUS materials, *CHEMICAL reactions, *RAYLEIGH-Taylor instability, *FLOW stability (Fluid dynamics), *HEAT convection

A comparative study of resistivity models for simulations of magnetic reconnection in the solar atmosphere. II. Plasmoid formation

Authors: Færder, Øystein Håvard Nóbrega-Siverio, Daniel Carlsson, Mats

Index Terms: Astrophysics - Solar and Stellar Astrophysics, text

URL: http://arxiv.org/abs/2401.01177

Caracterización de la dispersión de contaminantes en la zona costera

Authors: Díez Rilova, Margarita

Contributors: University/Department: Universitat Politècnica de Catalunya. Departament d'Enginyeria Hidràulica, Marítima i Ambiental

Thesis Advisors: Sierra, J. P. (Joan Pau)

Source: TDX (Tesis Doctorals en Xarxa)

Subject Terms: dispersión, contaminación, imágenes, costa, video, satélite, intermitencia, análisis fractal

File Description: application/pdf

Access URL: http://hdl.handle.net/10803/96188
https://dx.doi.org/10.5821/dissertation-2117-94664

Crossover From Branched Flow to Anderson Localization in Time‐Fluctuating Random Potentials.

Authors: Qin, Jianwei Liu, Yan Ye, Fangwei

Source: Laser & Photonics Reviews. Sep2025, p1. 6p. 5 Illustrations.

Subject Terms: *ANDERSON localization, *WAVE packets, *THEORY of wave motion, *LIGHT propagation, *COHERENCE (Physics), *POTENTIAL functions, *STOCHASTIC systems

People: ANDERSON, Jonathan, 1984-

The well-posedness of three-dimensional Navier-Stokes and magnetohydrodynamic equations with partial fractional diffusion.

Authors: Ma, Qibo Li, Li

Source: Discrete & Continuous Dynamical Systems - Series B; Sep2025, Vol. 30 Issue 9, p1-32, 32p

Subject Terms: NAVIER-Stokes equations, HEAT equation, DIFFERENTIAL equations, MAGNETIC fields, VELOCITY

A comparative study of resistivity models for simulations of magnetic reconnection in the solar atmosphere

Authors: Færder, Øystein Håvard Nóbrega-Siverio, Daniel Carlsson, Mats

Index Terms: Astrophysics - Solar and Stellar Astrophysics, Physics - Space Physics, text

URL: http://arxiv.org/abs/2305.18895

Super-rotation independent of horizontal diffusion reproduced in a Venus GCM.

Authors: Sugimoto, Norihiko Fujisawa, Yukiko Komori, Nobumasa et al.

Source: Earth, Planets & Space; 3/24/2023, Vol. 75 Issue 1, p1-9, 9p

Subject Terms: GENERAL circulation model, VENUS (Planet), VENUSIAN atmosphere, ANGULAR momentum (Mechanics)

Remarks on the global regularity issue of the two-and-a-half-dimensional Hall-magnetohydrodynamics system.

Authors: Rahman, Mohammad Mahabubur Yamazaki, Kazuo

Source: Zeitschrift für Angewandte Mathematik und Physik (ZAMP); Oct2022, Vol. 73 Issue 5, p1-18, 18p

Estimating Epistemic and Aleatoric Uncertainty with a Single Model

Authors: Chan, Matthew A. Molina, Maria J. Metzler, Christopher A.

Index Terms: Computer Science - Machine Learning, Computer Science - Computer Vision and Pattern Recognition, text

URL: http://arxiv.org/abs/2402.03478

Nonlinear Simulations of Peeling-Ballooning Modes with Parallel Velocity Perturbation.

Authors: Xia, T. Y. Xu, X. Q. Dudson, B. D. et al.

Source: Contributions to Plasma Physics; Jun2012, Vol. 52 Issue 5/6, p353-359, 6p