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Ternary forms as invariants of Markoff forms and other SL2 (Z)-bundles

โœ Scribed by Harvey Cohn


Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
519 KB
Volume
21
Category
Article
ISSN
0024-3795

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๐Ÿ“œ SIMILAR VOLUMES


On Orbits of SL(2,Z)+ and Values of Bina
โœ S.G. Dani; Arnaldo Nogueira ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 183 KB

We consider actions of SLรฐ2; Zรž and SLรฐ2; Zรž รพ (semigroup of matrices with nonnegative integral entries) on the projective space P and on P ร‚ P. Results are obtained on orbit-closures under these actions and they are applied to describe a class of binary quadratic forms Q such that the sets QรฐZ 2 รž