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Computing component groups of stabilizers of nilpotent orbit representatives
We describe computational methods for computing the component group of the stabilizer of a nilpotent element in a complex simple Lie algebra. Our algorithms have been implemented in the language of the computer algebra system GAP4. Occasionally we need Gröbner basis computations; for these we use th...
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Published in: | Journal of symbolic computation 2025-07, Vol.129, p.102404, Article 102404 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites |
Online Access: | Get full text |
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Summary: | We describe computational methods for computing the component group of the stabilizer of a nilpotent element in a complex simple Lie algebra. Our algorithms have been implemented in the language of the computer algebra system GAP4. Occasionally we need Gröbner basis computations; for these we use the systems Magma and Singular. The resulting component groups have been made available in the GAP4 package SLA. |
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ISSN: | 0747-7171 |
DOI: | 10.1016/j.jsc.2024.102404 |