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Finite Difference methods (FD) are one of the oldest and simplest methods for solving partial differential equations (PDE). Block Finite Difference methods (BFD) are FD methods in which the domain is divided into blocks, or cells,…

Numerical Analysis · Mathematics 2024-07-08 Adi Ditkowski , Anne Le Blanc , Chi-Wang Shu

Finite Difference methods (FD) are one of the oldest and simplest methods for solving partial differential equations (PDE). Block Finite Difference methods (BFD) are FD methods in which the domain is divided into blocks, or cells,…

Numerical Analysis · Mathematics 2024-05-21 Adi Ditkowski , Anne Le Blanc , Chi-Wang Shu

Fixed-complexity Sphere Decoder (FSD) is a recently proposed technique for Multiple-Input Multiple-Output (MIMO) detection. It has several outstanding features such as constant throughput and large potential parallelism, which makes it…

Information Theory · Computer Science 2010-06-22 Bin Wu , Guido Masera

Finite-size (FS) effects are a major source of error in many-body (MB) electronic structure calculations of extended systems. A method is presented to correct for such errors. We show that MB FS effects can be effectively included in a…

Materials Science · Physics 2008-03-28 Hendra Kwee , Shiwei Zhang , Henry Krakauer

In recent years important progress in micropattern gaseous detectors has been achieved in the use of resistive material to build compact spark-protected devices. The novel idea presented here consists of the polarisation of WELL structures…

Instrumentation and Detectors · Physics 2015-03-19 Rui De Oliveira , Marcello Maggi , Archana Sharma

In this work, we discuss recent results obtained with the application of the medium separation scheme (MSS) in different contexts where a clear violation of the conformal limit for the speed of sound at finite density has been observed in…

High Energy Physics - Phenomenology · Physics 2026-02-06 Francisco X. Azeredo , Arthur E. B. Pasqualotto , Bruno S. Lopes , Dyana C. Duarte , Ricardo L. S. Farias

Three algebraically stabilized finite element schemes for discretizing convection-diffusion-reaction equations are studied on adaptively refined grids. These schemes are the algebraic flux correction (AFC) scheme with Kuzmin limiter, the…

Numerical Analysis · Mathematics 2024-01-15 Abhinav Jha , Volker John , Petr Knobloch

We study lattice effects in strongly coupled systems of fermions at a finite density described by a holographic dual consisting of fermions in Anti-de-Sitter space in the presence of a Reissner-Nordstrom black hole. The lattice effect is…

High Energy Physics - Theory · Physics 2015-06-05 Yan Liu , Koenraad Schalm , Ya-Wen Sun , Jan Zaanen

Traditional federated optimization methods perform poorly with heterogeneous data (ie, accuracy reduction), especially for highly skewed data. In this paper, we investigate the label distribution skew in FL, where the distribution of labels…

Machine Learning · Computer Science 2022-09-27 Jie Zhang , Zhiqi Li , Bo Li , Jianghe Xu , Shuang Wu , Shouhong Ding , Chao Wu

Femtosecond laser modification of fused silica enables precise surface tailoring for the fabrication of micro-optical components such as microlenses and diffractive elements. However, the process is governed by laser-matter interactions…

A method is described intended for distributed calibration of a probe microscope scanner consisting in a search for a net of local calibration coefficients (LCCs) in the process of automatic measurement of a standard surface, whereby each…

Materials Science · Physics 2018-12-13 Rostislav V. Lapshin

The timestep of the Finite-Difference Time-Domain method (FDTD) is constrained by the stability limit known as the Courant-Friedrichs-Lewy (CFL) condition. This limit can make FDTD simulations quite time consuming for structures containing…

Computational Engineering, Finance, and Science · Computer Science 2016-06-29 Xihao Li , Costas D. Sarris , Piero Triverio

The increasing adoption of Lithium Iron Phosphate (LFP) batteries in Electric Vehicles is driven by their affordability, abundant material supply, and safety advantages. However, challenges arise in controlling/estimating unmeasurable LFP…

Systems and Control · Electrical Eng. & Systems 2024-10-21 Le Xu , Simone Fasolato , Simona Onori

In a Comment (cond-mat/0103444) on our recent paper "Two time scales and violation of FDT in a finite dimensional model for structural glasses" [1], A. de Candia and A. Coniglio show evidence that the equilibrium overlap distribution P(q)…

Disordered Systems and Neural Networks · Physics 2009-11-07 F. Ricci-Tersenghi , G. Parisi , D. A. Stariolo , J. J. Arenzon

Non-compact Conformal Field Theories (CFTs) are central to several aspects of string theory and condensed matter physics. They are characterised, in particular, by the appearance of a continuum of conformal dimensions. Surprisingly, such…

High Energy Physics - Theory · Physics 2021-02-24 Niall F. Robertson , Jesper Lykke Jacobsen , Hubert Saleur

Multi-colour light-emitting diode (LED) based visible light communication (VLC) benefits from wavelength diversity while providing indoor illumination. Colour shift keying (CSK) is a well-researched IEEE standardised multi-colour VLC…

Signal Processing · Electrical Eng. & Systems 2019-03-26 Ravinder Singh , Timothy O'Farrell , Thai C. Bui , Mauro Biagi , John P. R. David

In current experiments with cold quantum gases in periodic potentials, interference fringe contrast is typically the easiest signal in which to look for effects of non-trivial many-body dynamics. In order better to calibrate such…

Statistical Mechanics · Physics 2009-11-13 G. A. Muradyan , J. R. Anglin

The concept and synthesis approach for planar Compliant Fluidic Control Structures (CFCSs), monolithic flexible continua with embedded functional pores, is presented in this manuscript. Such structures are envisioned to find application in…

Computational Engineering, Finance, and Science · Computer Science 2019-04-22 Prabhat Kumar , Paola Fanzio , Luigi Sasso , Matthijs Langelaar

Measurement of the integrated luminosity at the International Linear Collider (ILC) will be accomplished by counting the rate of small angle Bhabha scattering events. The physics requirements for ILC set the constraint on the relative…

Instrumentation and Detectors · Physics 2013-01-14 M. Pandurovic , I. Bozovic-Jelisavcic

A new class of non-monotone finite difference (FD) approximation methods for approximating solutions to non-degenerate stationary Hamilton-Jacobi problems with Dirichlet boundary conditions is proposed and analyzed. The new FD methods add a…

Numerical Analysis · Mathematics 2025-02-07 T. Lewis , X. Xue