Deciding finiteness of matrix groups in deterministic polynomial time
ISSAC '93 Proceedings of the 1993 international symposium on Symbolic and algebraic computation
The MAGMA algebra system I: the user language
Journal of Symbolic Computation - Special issue on computational algebra and number theory: proceedings of the first MAGMA conference
Algorithms for computing with nilpotent matrix groups over infinite domains
Journal of Symbolic Computation
On deciding finiteness of matrix groups
Journal of Symbolic Computation
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We present a uniform methodology for computing with finitely generated matrix groups over any infinite field. As one application, we completely solve the problem of deciding finiteness in this class of groups. We also present an algorithm that, given such a finite group as input, in practice successfully constructs an isomorphic copy over a finite field, and uses this copy to investigate the group@?s structure. Implementations of our algorithms are available in Magma.