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Title Details:
Complex calculus and integral transforms
Authors: Kolasis, Charalambos
Subject: MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > FUNCTIONS OF A COMPLEX VARIABLE
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > FUNCTIONS OF A COMPLEX VARIABLE > GENERAL PROPERTIES
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > FUNCTIONS OF A COMPLEX VARIABLE > SERIES EXPANSIONS
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > FUNCTIONS OF A COMPLEX VARIABLE > ENTIRE AND MEROMORPHIC FUNCTIONS, AND RELATED TOPI
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > FUNCTIONS OF A COMPLEX VARIABLE > MISCELLANEOUS TOPICS OF ANALYSIS IN THE COMPLEX DOMAIN
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > HARMONIC ANALYSIS ON EUCLIDEAN SPACES > HARMONIC ANALYSIS IN ONE VARIABLE
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > FUNCTIONAL ANALYSIS > DISTRIBUTIONS, GENERALIZED FUNCTIONS, DISTRIBUTION SPACES
Keywords:
Complex analysis
Analytic functions
Branch points and branch cuts
Cauchy-Riemann equations
Contour integral
Taylor series
Laurent series
Analytic continuation
Residue theorem
Real definite integrals
Νumeric series
Mittag-Leffler theorem
Weierstrass factorization theorem
Conformal mapping
Dirichlet problem
Applications in physics
Distributions
Fourier series
Fourier transform
Laplace transform
Green's function
Laplace equation
Heat equation
Wave equation
Telegrapher’s equation
Signals and systems
Mathematics of quantum mechanics
Ket space
Bra space
Rigged Hilbert space
Description:
Abstract:
This book is intended for students in physics and engineering departments at universities and polytechnic schools. The first part begins with a concise exposition of the algebra and geometry of complex numbers, and continues with the presentation of the established and now solidified introductory undergraduate material in complex analysis. Specifically, it covers the study of functions of a complex variable with an emphasis on analytic functions. The concepts of complex differentiability, contour integration, Taylor and Laurent series, analytic continuation, singular points, residues, and all the fundamental theorems related to these concepts are presented and studied. The residue theorem and its applications in calculating real definite integrals are developed in detail with numerous examples and a large number of exercises to solve, often accompanied by hints and remarks. Conformal mappings and their applications in physics are presented with many thoroughly developed examples. The originalities that distinguish the first part of this book from other complex analysis books are, on one hand, the method of studying multivalued functions with algebraic branch points and, on the other hand, the handling of contour integrals along simply closed contours whose interior and exterior contain non-isolated singular points of the function being integrated. The second part of the book begins with the presentation of some specific functions and function spaces. Introductory concepts necessary for the subsequent sections are covered, where distributions, Fourier series, Fourier and Laplace transform along with their main applications are studied. The last chapter deals with the mathematical foundation of quantum mechanics, namely Hilbert spaces along with the related Dirac formalism and the linear operators acting on these spaces. This material is presented in more detail than what can be found in most quantum mechanics books, addressing some subtle issues that are often not covered there mainly for practical reasons.
Linguistic Editors: Papadongonas, Ioannis
Technical Editors: Papadongonas, Ioannis
Other contributors: Cover photo: The sculpture by Theodoros Papagiannis at the main entrance gate of the University of Ioannina.
Type: Undergraduate textbook
Creation Date: 04-02-2025
Item Details:
ISBN 978-618-228-323-3
License: Attribution - NonCommercial - ShareAlike 4.0 International (CC BY-NC-SA 4.0)
DOI http://doi.org/10.57713/kallipos-1073
Handle http://hdl.handle.net/11419/14471
Bibliographic Reference: Kolasis, C. (2025). Complex calculus and integral transforms [Undergraduate textbook]. Kallipos, Open Academic Editions. https://doi.org/10.57713/kallipos-1073
Language: Greek
Consists of:
1. Elements from the algebra and geometry of complex numbers
2. Topological definitions in the complex plane
3. Analytic functions
4. Elementary functions
5. The integral of a function of a complex variable
6. Series and series expansion of analytic functions
7. Singular points and the residue theorem
8. Calculation of real integrals and numerical series
9. Partial fraction expansions of meromorphic functions - Infinite products
10. Mappings
11. Applications in Physics
12. Preliminary concepts and definitions
13. Distributions
14. The function space ℱ. Fourier series
15. The function space ℱ∞
16. The Fourier transform
17. Applications for the Fourier transform
18. The Laplace transform
19. Applications for the Laplace transform
20. The mathematics of quantum mechanics. Hilbert spaces and Dirac formalism
Number of pages 952
Version: 2η έκδοση
Publication Origin: Kallipos, Open Academic Editions
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