Normal forms for definite integer unimodular quadratic forms
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- by Shmuel Friedland PDF
- Proc. Amer. Math. Soc. 106 (1989), 917-921 Request permission
Abstract:
In this paper we show that any two positive definite integer unimodular quadratic forms have a common sublattice of codimension 2. Moreover, any such form is equivalent to a semi-normal form with at most three eigenvalues different from 1.References
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Additional Information
- © Copyright 1989 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 106 (1989), 917-921
- MSC: Primary 11E12
- DOI: https://doi.org/10.1090/S0002-9939-1989-0976366-6
- MathSciNet review: 976366