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Maximal finite groups of integral \(n \times n\) matrices and full groups of integral automorphisms of positive quadratic forms (Bravais models). (English) Zbl 0287.20047


MSC:

20H15 Other geometric groups, including crystallographic groups
20G30 Linear algebraic groups over global fields and their integers
11H55 Quadratic forms (reduction theory, extreme forms, etc.)
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