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AuthorConway, John B. author
TitleFunctions of One Complex Variable I [electronic resource] / by John B. Conway
ImprintNew York, NY : Springer New York, 1978
Edition Second Edition
Connect tohttp://dx.doi.org/10.1007/978-1-4612-6313-5
Descript XIV, 322 p. online resource

SUMMARY

This book is intended as a textbook for a first course in the theory of functions of one complex variable for students who are mathematically mature enough to understand and execute E - 8 arguments. The actual preยญ requisites for reading this book are quite minimal; not much more than a stiff course in basic calculus and a few facts about partial derivatives. The topics from advanced calculus that are used (e.g., Leibniz's rule for differยญ entiating under the integral sign) are proved in detail. Complex Variables is a subject which has something for all mathematicians. In addition to having applications to other parts of analysis, it can rightly claim to be an ancestor of many areas of mathematics (e.g., homotopy theory, manifolds). This view of Complex Analysis as "An Introduction to Matheยญ matics" has influenced the writing and selection of subject matter for this book. The other guiding principle followed is that all definitions, theorems, etc


CONTENT

I. The Complex Number System -- ยง1. The real numbers -- ยง2. The field of complex numbers -- ยง3. The complex plane -- ยง4. Polar representation and roots of complex numbers -- ยง5. Lines and half planes in the complex plane -- ยง6. The extended plane and its spherical representation -- II. Metric Spaces and the Topology of ? -- ยง1. Definition and examples of metric spaces -- ยง2. Connectedness -- ยง3. Sequences and completeness -- ยง4. Compactness -- ยง5. Continuity -- ยง6. Uniform convergence -- III. Elementary Properties and Examples of Analytic Functions -- ยง1. Power series -- ยง2. Analytic functions -- ยง3. Analytic functions as mapping, Mรถbius transformations -- IV. Complex Integration -- ยง1. Riemann-Stieltjes integrals -- ยง2. Power series representation of analytic functions -- ยง3. Zeros of an analytic function -- ยง4. The index of a closed curve -- ยง5. Cauchyโ{128}{153}s Theorem and Integral Formula -- ยง6. The homotopic version of Cauchyโ{128}{153}s Theorem and simple connectivity -- ยง7. Counting zeros; the Open Mapping Theorem -- ยง8. Goursatโ{128}{153}s Theorem -- V. Singularities -- ยง1. Classification of singularities -- ยง2. Residues -- ยง3. The Argument Principle -- VI. The Maximum Modulus Theorem -- ยง1. The Maximum Principle -- ยง2. Schwarzโ{128}{153}s Lemma -- ยง3. Convex functions and Hadamardโ{128}{153}s Three Circles Theorem -- ยง4. Phragm>รฉn-Lindel>รผf Theorem -- VII. Compactness and Convergence in ihe Space of Analytic Functions -- ยง1. The space of continuous functions C(G, ?) -- ยง2. Spaccs of analytic functions -- ยง3. Spaccs of meromorphic functions -- ยง4. The Riemann Mapping Theorem -- ยง5. Weierstrass Factorization Theorem -- ยง6. Factorization of the sine function -- $7. The gamma function -- ยง8. The Riemann zeta function -- VIII. Rungeโ{128}{153}s Theorem -- ยง1. Rungeโ{128}{153}s Theorem -- ยง2. Simple connectedness -- ยง3. Mittag-Lefflerโ{128}{153}s Theorem -- IX. Analytic Continuation and Riemann Surfaces -- ยง1. Schwarz Reflection Principle -- $2. Analytic Continuation Along A Path -- ยง3. Monodromy Theorem -- ยง4. Topological Spaces and Neighborhood Systems -- $5. The Sheaf of Germs of Analytic Functions on an Open Set -- $6. Analytic Manifolds -- ยง7. Covering spaccs -- X. Harmonic Functions -- ยง1. Basic Properties of harmonic functions -- ยง2. Harmonic functions on a disk -- ยง3. Subharmonic and superharmonic functions -- ยง4. The Dirichlet Problem -- ยง5. Greenโ{128}{153}s Functions -- XI. Entire Functions -- ยง1. Jensenโ{128}{153}s Formula -- ยง2. The genus and order of an entire function -- ยง3. Hadamard Factorization Theorem -- XII. The Range of an Analytic Function -- ยง1. Blochโ{128}{153}s Theorem -- ยง2. The Little Picard Theorem -- ยง3. Schottkyโ{128}{153}s Theorem -- ยง4. The Great Picard Theorem -- Appendix A: Calculus for Complex Valued Functions on an Interval -- Appendix B: Suggestions for Further Study and Bibliographical Notes -- References -- List of Symbols


Mathematics Mathematical analysis Analysis (Mathematics) Calculus of variations Mathematics Calculus of Variations and Optimal Control; Optimization Analysis



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