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Sums of squares and orthogonal integral vectors
- Source :
-
Journal of Number Theory . Jan2012, Vol. 132 Issue 1, p37-53. 17p. - Publication Year :
- 2012
-
Abstract
- Abstract: Two vectors in are called twins if they are orthogonal and have the same length. The paper describes twin pairs using cubic lattices, and counts the number of twin pairs with a given length. Integers M with the property that each integral vector with length has a twin are called twin-complete. They are completely characterized modulo a famous conjecture in number theory. The main tool is the decomposition theory of Hurwitz integral quaternions. Throughout the paper we made a concerted effort to keep the exposition as elementary as possible. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 0022314X
- Volume :
- 132
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- Journal of Number Theory
- Publication Type :
- Academic Journal
- Accession number :
- 66217879
- Full Text :
- https://doi.org/10.1016/j.jnt.2011.07.001