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plasma

Overview page. Subjects: Physics.

A low-density, high-temperature, completely ionized gas, consisting of free atomic nuclei and free electrons. Overall it is electrically neutral. It is sometimes referred to as the ‘fourth...

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plasma panel

Overview page. Subjects: Computing — Physics.

A form of display used in association with computer systems in which light output is produced from the interaction between an electric current and an ionized inert gas such as neon. The...

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Relaxed plasma–vacuum states in cylinders

R. Kaiser and H. Uecker.

in The Quarterly Journal of Mechanics and Applied Mathematics

February 2004; p ublished online February 2004 .

Journal Article. Subjects: Applied Mathematics; Mathematical and Statistical Physics. 0 words.

The variational principle for relaxed toroidal plasma–vacuum systems with pressure is applied to axially periodic circular cylinders. More precisely, equilibria with cylindrical symmetry...

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Two-dimensional MHD equilibria in cold gravitating plasmas

Manuel Núñez.

in IMA Journal of Applied Mathematics

June 2010; p ublished online April 2010 .

Journal Article. Subjects: Applied Mathematics. 0 words.

The equations of ideal magnetohydrodynamic equilibria in the presence of gravitational forcing and in the absence of pressure gradient are relevant for large-scale, extremely cold plasmas....

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Evaluating plasma holds in the presence of multiple infections

Edward H. Kaplan.

in Mathematical Medicine and Biology: A Journal of the IMA

September 2001; p ublished online September 2001 .

Journal Article. Subjects: Applied Mathematics; Biomathematics and Statistics. 0 words.

To protect plasma supplies, donors are screened for infectious diseases. As an added measure of protection, donations are identified and stored for a period of time to allow future discard...

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Truncated Painlevé expansion and reduction of sine‐Poisson equation to a quadrature in collisionless cold plasma

R. S. Ibrahim.

in IMA Journal of Applied Mathematics

October 2003; p ublished online October 2003 .

Journal Article. Subjects: Applied Mathematics. 0 words.

The relativistic nonlinear self‐consistent equations for a collisionless cold plasma with stationary ions is considered. The resulting system of equations for stationary and non‐stationary...

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HYPERBOLIC CONSERVATION LAWS

George Em Karniadakis and Spencer J. Sherwin.

in Spectral/hp Element Methods for Computational Fluid Dynamics

June 2005; p ublished online September 2007 .

Chapter. Subjects: Mathematics. 27186 words.

This chapter discusses compressible Euler and Navier-Stokes equations as well as general hyperbolic conservation laws. The principle issue is how effectively to use the high-order...

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A generalized plane-wave numerical method for smooth nonconstant coefficients

Lise-Marie Imbert-Gérard and Bruno Després.

in IMA Journal of Numerical Analysis

July 2014; p ublished online October 2013 .

Journal Article. Subjects: Mathematics. 0 words.

We propose an original method based on generalized plane waves and approximated coefficients for the numerical approximation of the Helmholtz equation with a smooth nonconstant coefficient....

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Embedding Estimates and Fractional Smoothness

William Beckner.

in International Mathematics Research Notices

January 2014; p ublished online October 2012 .

Journal Article. Subjects: Mathematics. 4069 words.

A short intrinsic proof is given for the Bourgain–Brezis–Mironescu theorem with an extension for higher-order gradient forms. This argument illustrates the role of functional geometry and...

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Lundquist number

Donald Fenna.

in A Dictionary of Weights, Measures, and Units

January 2002; p ublished online January 2004 .

Reference Entry. Subjects: Numerical and Computational Mathematics. 69 words.

rheology. A dimensionless quantity characterizing the unidirectional Alfven waves occurring in a conducting fluid (such as a physical plasma)

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flat-panel display

Overview page. Subjects: Computing.

A type of display device where the depth is much less than a conventional cathode-ray tube for the same image size. Various flat-panel technologies, including LCDs and plasma panels, are...

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