Zhuang Qitai Zhuang – författare
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E-bok
PDF, Engelska, 1993659 kr
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This book presents in a clear and systematic manner the general theory of normal families, quasi-normal families and Qm-normal families of meromorphic functions, and various applications. Much of this book contains results of the author''s research, among them is the notion of Qm-normality which includes the classical notions of normality and quasi-normality introduced by Montel as particular cases. In this book, the notion of closed families of meromorphic functions is also introduced. In addition, applications concerning the existence of the solution of various extremal problems for certain classes of univalent or multivalent functions can also be found.
E-bok
PDF, Engelska, 1990458 kr
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The fix-points and factorization of meromorphic functions have become two research topics that have attracted many complex analysts'' attention throughout the world; notably in U.S., China, and Japan. The first two chapters reintroduce Nevanlinna''s theory of meromorphic functions and Montel''s normal families theory for entire functions. Based on these, several theorems on fix-points were derived. The last two chapters introduce the factorization theory and the relationships between the fix-points and factorization; many recent results in factorization theory were reported and related open questions were raised for further study. This book provides a timely introduction to some of the topics that are currently pursued by many complex analysts. For instance, the fix-points of itrates of functions is closely related to the fractal mathematics, which has just been realized to be useful in many branches of engineering and physics as well as in computer graphics.