Complex Analysis
المؤلف:
Boas, R. P.
المصدر:
Invitation to Complex Analysis. New York: Random House, 1987.
الجزء والصفحة:
...
27-11-2018
1903
Complex Analysis
Complex analysis is the study of complex numbers together with their derivatives, manipulation, and other properties. Complex analysis is an extremely powerful tool with an unexpectedly large number of practical applications to the solution of physical problems. Contour integration, for example, provides a method of computing difficult integrals by investigating the singularities of the function in regions of the complex plane near and between the limits of integration.
The key result in complex analysis is the Cauchy integral theorem, which is the reason that single-variable complex analysis has so many nice results. A single example of the unexpected power of complex analysis is Picard's great theorem, which states that an analytic function assumes every complex number, with possibly one exception, infinitely often in any neighborhood of an essential singularity!
A fundamental result of complex analysis is the Cauchy-Riemann equations, which give the conditions a function must satisfy in order for a complex generalization of the derivative, the so-called complex derivative, to exist. When the complex derivative is defined "everywhere," the function is said to be analytic.
REFERENCES:
Arfken, G. "Functions of a Complex Variable I: Analytic Properties, Mapping" and "Functions of a Complex Variable II: Calculus of Residues." Chs. 6-7 in Mathematical Methods for Physicists, 3rd ed. Orlando, FL: Academic Press, pp. 352-395 and 396-436, 1985.
Boas, R. P. Invitation to Complex Analysis. New York: Random House, 1987.
Churchill, R. V. and Brown, J. W. Complex Variables and Applications, 6th ed. New York: McGraw-Hill, 1995.
Conway, J. B. Functions of One Complex Variable, 2nd ed. New York: Springer-Verlag, 1995.
Forsyth, A. R. Theory of Functions of a Complex Variable, 3rd ed. Cambridge, England: Cambridge University Press, 1918.
Knopp, K. Theory of Functions Parts I and II, Two Volumes Bound as One, Part I. New York: Dover, 1996.
Krantz, S. G. Handbook of Complex Variables. Boston, MA: Birkhäuser, 1999.
Lang, S. Complex Analysis, 3rd ed. New York: Springer-Verlag, 1993.
Mathews, J. H. and Howell, R. W. Complex Analysis for Mathematics and Engineering, 5th ed. Sudbury, MA: Jones and Bartlett, 2006.
Mathews, J. H. "Complex Analysis: Mathematica Notebooks." http://library.wolfram.com/infocenter/MathSource/6099/.
Morse, P. M. and Feshbach, H. "Functions of a Complex Variable" and "Tabulation of Properties of Functions of Complex Variables." Ch. 4 in Methods of Theoretical Physics, Part I. New York: McGraw-Hill, pp. 348-491 and 480-485, 1953.
Needham, T. Visual Complex Analysis. New York: Clarendon Press, 2000.
Shaw, W. Complex Analysis with Mathematica. Cambridge, England: Cambridge University Press, 2006. http://www.mth.kcl.ac.uk/~shaww/web_page/books/complex/.
Silverman, R. A. Introductory Complex Analysis. New York: Dover, 1984.
Weisstein, E. W. "Books about Complex Analysis." http://www.ericweisstein.com/encyclopedias/books/ComplexAnalysis.html.
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