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个人信息Personal Information
副教授
博士生导师
硕士生导师
性别:女
毕业院校:大连理工大学
学位:博士
所在单位:数学科学学院
学科:应用数学
办公地点:数学楼604
电子邮箱:chenxi@dlut.edu.cn
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Total positivity of Riordan arrays
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论文类型:期刊论文
发表时间:2015-05-01
发表刊物:EUROPEAN JOURNAL OF COMBINATORICS
收录刊物:SCIE、Scopus
卷号:46
页面范围:68-74
ISSN号:0195-6698
摘要:We present sufficient conditions for the total positivity of Riordan arrays. As applications we show that many well-known combinatorial triangles are totally positive and many famous combinatorial numbers are log-convex in a unified approach. (C) 2014 Elsevier Ltd. All rights reserved.