WATER 发表于 2025-3-23 12:37:52

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太空 发表于 2025-3-23 16:23:19

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极为愤怒 发表于 2025-3-23 22:35:22

https://doi.org/10.1007/978-3-322-96879-1Dimension; algebra; classification; code; coding; coding theory; design; error-correcting code; history; info

exceptional 发表于 2025-3-24 02:27:19

Lattices and Codes,In this section we introduce the basic concept of a lattice in ℝ.. For references see , , , , and .

间接 发表于 2025-3-24 07:17:26

Theta Functions and Weight Enumerators,Let Г ⊂ ℝ. be a lattice. We associate toTa function which is defined on the upper half plane

CHANT 发表于 2025-3-24 14:14:03

Even Unimodular Lattices,In this section we study modified theta functions, namely theta series with spherical coefficients, and their behavior under transformations of the modular group. The results of this section are due to E. Hecke and B. Schoeneberg . Our presentation follows and .

开始没有 发表于 2025-3-24 15:07:10

The Leech Lattice,In §2.8 we defined an even unimodular lattice A. ⊂ ℝ. with . ≥ 4 for all . ∈ A.: the Leech lattice. This chapter is devoted to this important lattice. We shall first show the uniqueness of this lattice. We shall prove the following theorem.

正式演说 发表于 2025-3-24 21:28:06

Springer Fachmedien Wiesbaden 1994

失眠症 发表于 2025-3-25 03:08:10

Lattices and Codes978-3-322-96879-1Series ISSN 0932-7134 Series E-ISSN 2512-7039
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查看完整版本: Titlebook: Lattices and Codes; A Course Partially B Wolfgang Ebeling Textbook 19941st edition Springer Fachmedien Wiesbaden 1994 Dimension.algebra.cla