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Mar 24, 2015
Systems and Control

Data-Driven Power Control for State Estimation: A Bayesian Inference …

We consider sensor transmission power control for state estimation, using a Bayesian inference approach. A sensor node sends its local state estimate…
Mar 06, 2013
Methodology

Analysis of Partially Observed Networks via Exponential-family Random…

Exponential-family random network (ERN) models specify a joint representation of both the dyads of a network and nodal characteristics. This class of…
Oct 29, 2012
Optimization and Control
Numerical Analysis

Exact Relaxation for Classes of Minimization Problems with Binary C…

Relying on the co-area formula, an exact relaxation framework for minimizing objectives involving the total variation of a binary valued function (of…
Sep 11, 2015
By r.comin
Strongly Correlated Electrons
Superconductivity

Resonant x-ray scattering studies of charge order in cuprates

X-ray techniques have been used for more than a century to study the atomic and electronic structure in virtually any type of material. The advent of…
Dec 03, 2014

Analysis and Control of Quantum Finite-level Systems Driven by Sing…

Single-photon states, which carry quantum information and coherently interact with quantum systems, are vital to the realization of all-optical engin…
Jul 07, 2016
By dmpeli
Analysis of PDEs
Dynamical Systems
Mathematical Physics
Pattern Formation and Solitons

On the linearized log-KdV equation

The logarithmic KdV (log-KdV) equation admits global solutions in an energy space and exhibits Gaussian solitary waves. Orbital stability of Gaussian…
Apr 07, 2014
Numerical Analysis

A FEAST Algorithm with oblique projection for generalized eigenvalue …

The contour-integral based eigensolvers are the recent efforts for computing the eigenvalues inside a given region in the complex plane. The best-kno…
Feb 27, 2016
Optimization and Control

Adaptive Horizon Model Predictive Control

Adaptive Horizon Model Predictive Control (AHMPC) is a scheme for varying as needed the horizon length of Model Predictive Control (MPC). Its goal is…
May 10, 2017
By colombi
Computational Physics
Plasma Physics

A "metric" semi-Lagrangian Vlasov-Poisson solver

We propose a new semi-Lagrangian Vlasov-Poisson solver. It employs elements of metric to follow locally the flow and its deformation, allowing one to…
Dec 14, 2007
Statistical Mechanics
Other Condensed Matter
Soft Condensed Matter

Lattice Boltzmann method for inhomogeneous fluids

We present a lattice-based numerical method to describe the non equilibrium behavior of a simple fluid under non-uniform spatial conditions. The evol…
Jan 07, 2019
By alexeb

In this work, it has been shown that the Weyl transform quantum states lead to phase-space continuity equations which allow for evaluating departures from Liouvillian properties of Wigner currents and fluxes. The results provide the tools for discus…

Phase-space continuity equations for quantum decoherence, purity, von…

Phase-space features of the Wigner flow are examined so to provide a set of continuity equations that describe the flux of quantum information in the…
Oct 22, 2008
Fluid Dynamics

Osmotically driven pipe flows and their relation to sugar transport i…

In plants, osmotically driven flows are believed to be responsible for translocation of sugar in the pipe-like phloem cell network, spanning the enti…
Jul 04, 2011
Fluid Dynamics
Chaotic Dynamics
Pattern Formation and Solitons

Turbulent transition in a truncated one-dimensional model for shear f…

We present a reduced model for the transition to turbulence in shear flow that is simple enough to admit a thorough numerical investigation while all…
Feb 16, 2016
Numerical Analysis

Nonlinear model order reduction via Dynamic Mode Decomposition

We propose a new technique for obtaining reduced order models for nonlinear dynamical systems. Specifically, we advocate the use of the recently deve…
Jan 09, 2013

Spacetime noncommutative effect on black hole as particle accelerators

We study the spacetime noncommutative effect on black hole as particle accelerators and, find that particle falling from infinity with zero velocity …
May 19, 2017
By jyseo
Information Theory

Beam Design and User Scheduling for Non-Orthogonal Multiple Access wi…

In this paper, an efficient transmit beam design and user scheduling method is proposed for multi-user (MU) multiple-input single-output (MISO) non-o…
Feb 11, 2017
Fluid Dynamics

Optimal heat transfer enhancement in plane Couette flow

We discuss what is an optimal velocity field for more heat transfer and less energy dissipation under the constraints of the continuity equation for …
Feb 23, 2014

Kinetic evolution of the glasma and thermalization in heavy ion col…

In relativistic heavy ion collisions, a highly occupied gluonic matter is created shortly after initial impact, which is in a non-thermal state and o…
Aug 16, 2016

Thermal Effects in Dense Matter Beyond Mean Field Theory

The formalism of next-to-leading order Fermi Liquid Theory is employed to calculate the thermal properties of symmetric nuclear and pure neutron matt…
Apr 23, 2011
Numerical Analysis

Absolute value preconditioning for symmetric indefinite linear systems

We introduce a novel strategy for constructing symmetric positive definite (SPD) preconditioners for linear systems with symmetric indefinite matrice…
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