{"title":"Enumeration of certain binary matrices","authors":"Douglas E. Jackson, R.C. Entringer","doi":"10.1016/S0021-9800(70)80082-5","DOIUrl":null,"url":null,"abstract":"<div><p>An <em>m×n</em> (0, 1) matrix (<em>a<sub>ij</sub></em>) is said to be a * matrix iff <em>a<sub>ij</sub></em>=1 implies <em>a<sub>i′j′</sub></em>=1 for all (<em>i′, j′</em>) satisfying 1≤<em>i′<i, 1≤j′≤j</em>. * matrices with certain additional restrictions are counted and enumerations of random walks and decision patterns are obtained.</p></div>","PeriodicalId":100765,"journal":{"name":"Journal of Combinatorial Theory","volume":"8 3","pages":"Pages 291-298"},"PeriodicalIF":0.0000,"publicationDate":"1970-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0021-9800(70)80082-5","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Combinatorial Theory","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0021980070800825","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
An m×n (0, 1) matrix (aij) is said to be a * matrix iff aij=1 implies ai′j′=1 for all (i′, j′) satisfying 1≤i′<i, 1≤j′≤j. * matrices with certain additional restrictions are counted and enumerations of random walks and decision patterns are obtained.
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