Rouch\'{e} type theorems and a theorem of Adamyan, Arov and Krein


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Please use this identifier to cite or link to this item:https://doi.org/10.14943/83797

Title:	Rouch\'{e} type theorems and a theorem of Adamyan, Arov and Krein
Authors:	Nakazi, Takahiko Browse this author
Keywords:	Rouch e theorem
	Toeplitz operator
	Hankel operator
	Denjoy-Wolff point
Issue Date:	2004
Publisher:	Department of Mathematics, Hokkaido University
Journal Title:	Hokkaido University Preprint Series in Mathematics
Volume:	644
Start Page:	1
End Page:	8
Abstract:	We show Rouch e type theorems using a theorem of Adamyan, Arov and Krein. As applications, we obtain a certain characterization of self-maps of the unit disc in terms of the location of the Denjoy-Wolf point and we study a function in the Smirnov class whose real part is positive.
Type:	bulletin (article)
URI:	http://hdl.handle.net/2115/69451
Appears in Collections:	理学院・理学研究院 (Graduate School of Science / Faculty of Science) > Hokkaido University Preprint Series in Mathematics

Submitter: 数学紀要登録作業用

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