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- Luciano Rezzolla
- 2007

The accurate modelling of astrophysical scenarios involving compact objects and magnetic fields, such as the collapse of rotating magnetized stars to black holes or the phenomenology of γ-ray bursts, requires the solution of the Einstein equations together with those of general-relativistic magnetohydrodynamics. We present a new numerical code developed to… (More)

The theory of gauge-invariant non-spherical metric perturbations of Schwarzschild black hole spacetimes is now well established. Yet, as different notations and conventions have been used throughout the years, the literature on the subject is often confusing and sometimes confused. The purpose of this paper is to review and collect the relevant expressions… (More)

We extend our approach for the exact solution of the Riemann problem in relativistic hydrody-namics to the case in which the fluid velocity has components tangential to the initial discontinu-ity. As in one-dimensional flows, we here show that the wave-pattern produced in a multidimen-sional relativistic Riemann problem can be predicted entirely by… (More)

- Gregor Leiler, Luciano Rezzolla
- 2006

The iterated Crank-Nicolson is a predictor-corrector algorithm commonly used in numerical relativity for the solution of both hyperbolic and parabolic partial differential equations. We here extend the recent work on the stability of this scheme for hyperbolic equations by investigating the properties when the average between the predicted and corrected… (More)

The theory of gauge-invariant non-spherical metric perturbations of a Schwarzschild spacetime is now well established. Yet, as different notations and conventions have been used throughout the years, the literature on the subject is often confusing and sometimes confused. The purpose of this paper is to review and collect the relevant expressions related to… (More)

- Nigel T. Bishop, Luciano Rezzolla
- Living reviews in relativity
- 2016

A numerical-relativity calculation yields in general a solution of the Einstein equations including also a radiative part, which is in practice computed in a region of finite extent. Since gravitational radiation is properly defined only at null infinity and in an appropriate coordinate system, the accurate estimation of the emitted gravitational waves… (More)

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