Titlebook: Sphere Packings, Lattices and Groups; J. H. Conway,N. J. A. Sloane Book 19932nd edition Springer Science+Business Media New York 1993 Dime

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Bounds for Codes and Sphere Packings,ing problems in 2-point-homogeneous spaces. A simplified account is given of the general machinery developed by Kabatiansky and Levenshtein for setting up such problems as linear programs. Many other recent bounds are also described.

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Uniqueness of Certain Spherical Codes,ther unit sphere Ω., and only one way of arranging 56 (resp. 4600) spheres in .. (resp. ..) so that they all touch two further, touching spheres. The following tight spherical .-designs are also unique: the 5-design in Ω., the 7-designs in Ω. and Ω. and the 11-design in Ω..

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On the Classification of Integral Quadratic Forms,licit calculations. Novel features include an elementary system of rational invariants (defined without using the Hilbert norm residue symbol), an improved notation for the genus of a form, an efficient way to compute the number of spinor genera in a genus, and some conditions which imply that there

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An Overview of the Open Research Compiler,my of Sciences, has become the leading open source compiler on the Itanium. Processor Family (IPF, previously known as IA-64). Since its first release in 2002, it has been widely used in academia and industry worldwide as a compiler and architecture research infrastructure and as code base for furth

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Messung und Modellierung von schwach nichtlinearen Systemending this manual, you‘ll be swept into the creative process and be well on your way to creating or enhancing your next iLife masterpiece! You already own the most powerful and easy-to-use computer in the known universe. With this guide in hand, you‘ll see how Apple applies its magic to incredible software package978-1-4302-3632-0978-1-4302-3633-7