ADM FORMALISM APPLIED TO SOME SPACE-TIME MODELS USING EXCALC ALGEBRAIC PROGRAMMING

Dumitru N. Vulcanov
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Dumitru N. Vulcanov: University of Timişoara Theoretical and Computational Physics Dept. Bd. V. Pârvan, Nr. 4, RO-1900 Timişoara, România

International Journal of Modern Physics C (IJMPC), 1994, vol. 05, issue 06, 973-985

Abstract: This article presents the results obtained with new procedures in REDUCE language using EXCALC package (adapted for IBM-PC machines) for algebraic programming in the Hamiltonian formulation of general relativity (ADM formalism). The procedures calculate the dynamic and the constraint equations and, in addition, we have extended the obtained procedures in order to perform a complete ADM reductional procedure: solving the constraint equations, changing of variables, reduction of dynamic variables, etc. The results obtained after processing some examples of space-time models are presented here.

Date: 1994
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DOI: 10.1142/S0129183194001082

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