{"title":"On q-ary fix-free codes and directed deBrujin graphs","authors":"C. Deppe, Holger Schnettler","doi":"10.1109/ISIT.2006.262114","DOIUrl":null,"url":null,"abstract":"We treat here the question, whether there exists a q-ary fix-free code for a given sequence of codeword lengths. We focus mostly on results which establish the 3/4-conjecture of Ahlswede/Balkenhol/Khachatrian for special classes of lengths sequences. We construct fix-free codes with directed deBrujin graphs. We improve and generalize work of Kukorelly/Zeger and of Yekhanin","PeriodicalId":115298,"journal":{"name":"2006 IEEE International Symposium on Information Theory","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2006 IEEE International Symposium on Information Theory","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISIT.2006.262114","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 8
Abstract
We treat here the question, whether there exists a q-ary fix-free code for a given sequence of codeword lengths. We focus mostly on results which establish the 3/4-conjecture of Ahlswede/Balkenhol/Khachatrian for special classes of lengths sequences. We construct fix-free codes with directed deBrujin graphs. We improve and generalize work of Kukorelly/Zeger and of Yekhanin
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