A Brief Survey and an Analytic Generalization of the Catalan Numbers and Their Integral Representations

Author:

Cao Jian1ORCID,Li Wen-Hui2ORCID,Niu Da-Wei3ORCID,Qi Feng4ORCID,Zhao Jiao-Lian5ORCID

Affiliation:

1. School of Mathematics, Hangzhou Normal University, Hangzhou 311121, China

2. School of Economics, Henan Kaifeng College of Science Technology and Communication, Kaifeng 475001, China

3. Department of Science, Henan University of Animal Husbandry and Economy, Zhengzhou 450046, China

4. Institute of Mathematics, Henan Polytechnic University, Jiaozuo 454010, China

5. School of Mathematics and Statistics, Weinan Normal University, Weinan 714000, China

Abstract

In the paper, the authors briefly survey several generalizations of the Catalan numbers in combinatorial number theory, analytically generalize the Catalan numbers, establish an integral representation of the analytic generalization of the Catalan numbers by virtue of Cauchy’s integral formula in the theory of complex functions, and point out potential directions for further study.

Funder

Zhejiang Provincial Natural Science Foundation

National Natural Science Foundation of China

Publisher

MDPI AG

Subject

General Mathematics,Engineering (miscellaneous),Computer Science (miscellaneous)

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