Examples of harmonic functions
نویسندگان
چکیده
منابع مشابه
A lower estimate of harmonic functions
We shall give a lower estimate of harmonic functions of order greater than one in a half space, which generalize the result obtained by B. Ya. Levin in a half plane.
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In this paper, the problem of stability for certain subclasses of harmonic univalent functions is investigated. Some lower bounds for the radius of stability of these subclasses are found.
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Exercises with daggers (:) are harder, which is not to say that the others are not. Answers and comments on some of the questions appear at the end.
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In the present paper we study convolution properties for subclasses of univalent harmonic functions in the open unit disc and obtain some basic properties such as coefficient characterization and extreme points.
متن کاملa lower estimate of harmonic functions
we shall give a lower estimate of harmonic functions of order greater than one in a half space, which generalize the result obtained by b. ya. levin in a half plane.
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ژورنال
عنوان ژورنال: Bulletin of the American Mathematical Society
سال: 1932
ISSN: 0002-9904
DOI: 10.1090/s0002-9904-1932-05536-7