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AuthorLang, Serge. author
TitleComplex Analysis [electronic resource] / by Serge Lang
ImprintNew York, NY : Springer New York : Imprint: Springer, 1985
Edition Second Edition
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Descript XIV, 370 p. 76 illus. online resource


The present book is meant as a text for a course on complex analysis at the advanced undergraduate level, or first-year graduate level. Somewhat more material has been included than can be covered at leisure in one term, to give opportunities for the instructor to exercise his taste, and lead the course in whatever direction strikes his fancy at the time. A large number of routine exercises are included for the more standard portions, and a few harder exercises of striking theoretical interest are also included, but may be omitted in courses addressed to less advanced students. In some sense, I think the classical German prewar texts were the best (Hurwitz-Courant, Knopp, Bieberbach, etc. ) and I would recomยญ mend to anyone to look through them. More recent texts have emphaยญ sized connections with real analysis, which is important, but at the cost of exhibiting succinctly and clearly what is peculiar about complex analยญ ysis: the power series expansion, the uniqueness of analytic continuation, and the calculus of residues. The systematic elementary development of formal and convergent power series was standard fare in the German texts, but only Cartan, in the more recent books, includes this material, which I think is quite essential, e. g. , for differential equations. I have written a short text, exhibiting these features, making it applicable to a wide variety of tastes. The book essentially decomposes into two parts


One Basic Theory -- I Complex Numbers and Functions -- II Power Series -- III Cauchyโ{128}{153}s Theorem, First Part -- IV Cauchyโ{128}{153}s Theorem, Second Part -- V Applications of Cauchyโ{128}{153}s Integral Formula -- VI Calculus of Residues -- VII Conformai Mappings -- VIII Harmonic Functions -- Two Various Analytic Topics -- IX Applications of the Maximum Modulus Principle -- X Entire and Meromorphic Functions -- XI Elliptic Functions -- XII Differentiating Under an Integral -- XIII Analytic Continuation -- XIV The Riemann Mapping Theorem

Mathematics Mathematical analysis Analysis (Mathematics) Mathematics Analysis


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