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3+1 formalism and bases of numerical relativity - LUTh ...

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foliation, 40<br />

free evolution scheme, 176<br />

fully constrained scheme, 175<br />

future, 16<br />

Gamma freezing, 168<br />

Gauss relation, 35<br />

Gaussian curvature, 22<br />

Gaussian normal coordinates, 62<br />

geodesic slicing, 62, 152<br />

globally hyperbolic, 39<br />

Hamiltonian constraint, 54<br />

Hamiltonian constraint violation, 176<br />

harmonic, 159<br />

harmonic decomposition<br />

generalized, 186<br />

harmonic slicing, 159<br />

helical Killing vector, 146<br />

helical symmetry, 146<br />

hole, 115<br />

hyperbolic Gamma driver, 171<br />

hypersurface, 19<br />

induced metric on Σ, 21<br />

intrinsic curvature, 22<br />

inverse conformal metric, 87<br />

Isenberg-Wilson-Mathews approximation, 100<br />

isolated bodies, 103<br />

IWM, 100<br />

Killing vector, 116<br />

Komar angular momentum, 121<br />

Komar mass, 116<br />

Komar mass <strong>of</strong> the hole, 118<br />

KST formulation, 181<br />

lapse function, 41<br />

leaf, 40<br />

Levi-Civita connection, 22<br />

Lichnerowicz equation, 98<br />

Lie derivative, 190<br />

Lie dragged, 42<br />

locally nonrotating observers, 43<br />

longitudinal part, 127<br />

INDEX 219<br />

Lorentz factor, 76<br />

matter energy density, 52<br />

matter momentum density, 52<br />

matter stress tensor, 52<br />

maximal slicing, 153<br />

maximal slicings, 100<br />

mean curvature, 24<br />

minimal distortion, 165<br />

minimal surface, 133<br />

momentarily static, 132<br />

momentum constraint, 54<br />

momentum constraint violation, 177<br />

non-exp<strong>and</strong>ing horizon, 148<br />

normal coordinates, 163<br />

normal evolution vector, 42<br />

null, 21<br />

orthogonal projector onto Σ, 29<br />

parabolic Gamma driver, 170<br />

partially constrained scheme, 175<br />

past, 16<br />

perfect fluid, 75<br />

Plateau problem, 155<br />

Poincaré transformations, 105<br />

polar slicing, 158<br />

positive Yamabe class, 130<br />

principal curvatures, 24<br />

principal directions, 24<br />

principal part, 62<br />

principal symbol, 195<br />

proper baryon number density, 78<br />

proper internal energy, 80<br />

proper rest-mass energy density, 80<br />

pseudo-minimal distortion, 167<br />

pull-back mapping, 20<br />

puncture, 136<br />

push-forward mapping, 20<br />

quasi-isotropic gauge, 114<br />

quasi-linear, 63<br />

radiation gauge, 166<br />

Ricci equation, 48

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