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Towards Improved Accuracy Of Gravitational Waves Extraction, Maria Babiuc-Hamilton
Towards Improved Accuracy Of Gravitational Waves Extraction, Maria Babiuc-Hamilton
Maria C. Babiuc-Hamilton
Results in developing two new methods to improve the accuracy of waveform extraction using characteristic evolution. Numerical method: circular boundaries, with angular dissipation in the characteristic code. Geometric method: computation of Weyl tensor component Y4 at null infinity, in a conformally compactified treatment. Comparison and calibration in tests problems based upon linearized waves.