𝔖 Bobbio Scriptorium
✦   LIBER   ✦

On certain variants of the code modulation

✍ Scribed by O. V. Ryazantsev; A. M. S’yanov; A. A. Andreev


Book ID
111497627
Publisher
Allerton Press, Inc.
Year
2008
Tongue
English
Weight
93 KB
Volume
51
Category
Article
ISSN
0735-2727

No coin nor oath required. For personal study only.


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On the non-existence of certain perfect
✍ G.J.M.van Wee 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 229 KB

It is shown that if a nontrivial perfect mixed e-code in Q, x Q2 x . . . x Q, exists, where the Qi are alphabets of size qi, then the qt, e and n satisfy certain divisibility conditions.