A simple proof of a coincidence theorem of Rubinstein-Walsh and generalizations

Authors

  • Pavel Todorov

Keywords:

coincidence theorem, meromorphic functions, rational functions, subordination

Abstract

We give a simple proof of the Rubinstein-Walsh coincidence theorem that the classes of functions (1) and (2) can be represented in forms (4) and (5), respectively. We prove also that the more general classes of functions (8) and (9) can be represented in forms (4) and (5), respectively.

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Published

1997-12-12

How to Cite

Todorov, P. (1997). A simple proof of a coincidence theorem of Rubinstein-Walsh and generalizations. Ann. Sofia Univ. Fac. Math. And Inf., 89, 113–116. Retrieved from https://annual.uni-sofia.bg/index.php/fmi/article/view/360