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点荫度是图论的重要概念之一,图的可平面性问题、有一个多世纪之悬案的四色猜想问题等也可从研究图的点荫度而寻找答案.这里得到一......
Recently we interpreted five q-series identities of Rogers combinatorially by using partitions with “n +t cop-ies of n......
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Effect of Seasons on Theanine Levels in Different Kenyan Commercially Released Tea Cultivars and Its
A study was conducted to determine the effect of seasons in 23 different Kenyan commercially released tea cultivars. Thi......
Effect of Seasons on Theanine Levels in Different Kenyan Commercially Released Tea Cultivars and Its
A study was conducted to determine the effect of seasons in 23 different Kenyan commercially released tea cultivars. Thi......
By using lattice paths in the three-dimensional space we obtain bijectively an interpretation for the overpartitions of ......
A New Formula for Partitions in a Set of Entities into Empty and Nonempty Subsets, and Its Applicati
In combinatorics, a Stirling number of the second kind S (n,k)? is the number of ways to partition a set of n objects in......
A New Formula for Partitions in a Set of Entities into Empty and Nonempty Subsets, and Its Applicati
In combinatorics, a Stirling number of the second kind S (n,k)? is the number of ways to partition a set of n objects in......
The study of the confluences of the roots of a given set of polynomials—root-pattern problem— does not appear to have ......
The Legendre-Stirling numbers were discovered by Everitt, Littlejohn and Wellman in 2002 in a study of the spectral theo......
Polynomial Generalizations and Combinatorial Interpretations for Sequences Including the Fibonacci a
In this paper we present combinatorial interpretations and polynomials generalizations for sequences including the Fibon......
Polynomial Generalizations and Combinatorial Interpretations for Sequences Including the Fibonacci a
In this paper we present combinatorial interpretations and polynomials generalizations for sequences including the Fibon......
该文给出黎曼可积的一个等价条件,进而证明在定积分定义中可用将区间等分代替将区间任意分割.......
本文讨论了一类非线性整数规划问题的最优性条件以及求解的算法。...