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Hamburger Moment Sequences in Combinatorics
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作者 Huyile LIANG Yi WANG Sainan ZHENG 《Acta Mathematica Sinica,English Series》 SCIE CSCD 2018年第7期1101-1109,共9页
We show that many well-known counting coefficients in combinatorics are Hamburger moment sequences in certain unified approaches and that Hamburger moment sequences are infinitely convex. We introduce the concept of t... We show that many well-known counting coefficients in combinatorics are Hamburger moment sequences in certain unified approaches and that Hamburger moment sequences are infinitely convex. We introduce the concept of the q-Hamburger moment sequence of polynomials and present some examples of such sequences of polynomials. We also suggest some problems and conjectures. 展开更多
关键词 Hamburger moment sequence Stieltjes moment sequence generalized Motzkin number Hankel matrix total positivity infinite convexity
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Complete Convergence and Complete Moment Convergence for Martingale Diference Sequence 被引量:8
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作者 Xue Jun WANG Shu He HU 《Acta Mathematica Sinica,English Series》 SCIE CSCD 2014年第1期119-132,共14页
In the paper,we investigate the complete convergence and complete moment convergence for the maximal partial sum of martingale diference sequence.Especially,we get the Baum–Katz-type Theorem and Hsu–Robbins-type The... In the paper,we investigate the complete convergence and complete moment convergence for the maximal partial sum of martingale diference sequence.Especially,we get the Baum–Katz-type Theorem and Hsu–Robbins-type Theorem for martingale diference sequence.As an application,a strong law of large numbers for martingale diference sequence is obtained. 展开更多
关键词 Martingale diference sequence complete convergence complete moment convergence Baum–Katz-type theorem
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