Books that explain differential equations in terms of complex variable theory?

In summary, complex variable theory is highly relevant in the field of differential equations, with many topics best treated in the complex domain. There are some recommended books on the subject, such as "Complex Functions" by Jones and Singerman, "Introduction to Nonlinear Differential Equations and Integral Equations" by Harold T. Davis, "Advanced Methods for Solving Differential Equations" by Anonymous, and "Galois's Dream" by Michio Kuga. Another suggestion is "Ordinary Differential Equations" by E.L. Ince.
  • #1
Simfish
Gold Member
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Hello,

so I know that complex variable theory is VERY relevant to the field of differential equations. The question is - are there any good not-extremely-abstruse books on differential equations that actually EXPLICITLY use complex variables?

Thanks!
 
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  • #2
Many topics in differential equations are best treated in the complex domain. Obvious examples include elliptic functions, hypergeometric equations, Painleve transcendents, and differential Galois theory. Try:

Jones and Singerman, Complex Functions, Cambridge University Press.

Harold T. Davis, Introduction to Nonlinear Differential Equations and Integral Equations, Dover.

Here are two odd ducks!:

Anonymous, Advanced Methods for Solving Differential Equations, REA, 1982. (Might be hard to obtain.)

Michio Kuga, Galois's Dream, Birkhauser.
 
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  • #3
INCE, E.L Ordinary Differential Equations, Dover.
 

1. What is the purpose of using complex variable theory to explain differential equations?

Complex variable theory provides a powerful mathematical framework for understanding and solving differential equations. It allows for the use of complex numbers, which can simplify and generalize the solutions to these equations. Additionally, complex variable theory can provide insights into the behavior of solutions in complex domains.

2. Are there any benefits to studying differential equations in terms of complex variable theory?

Yes, there are several benefits to using complex variable theory to understand differential equations. It can provide more elegant and concise solutions, as well as a deeper understanding of the underlying concepts. It also allows for the use of powerful techniques such as the Cauchy-Riemann equations and contour integration.

3. Do I need advanced mathematical knowledge to understand books on differential equations using complex variable theory?

Yes, a solid understanding of calculus, complex analysis, and differential equations is necessary to fully comprehend these books. However, some books may provide a review of these topics or offer additional resources for those needing a refresher.

4. Can complex variable theory be used to solve any type of differential equation?

While complex variable theory can be applied to a wide range of differential equations, it is most useful for linear and homogeneous equations with constant coefficients. It may also be helpful for nonlinear equations with special properties, such as being analytic.

5. Are there any recommended books on differential equations that use complex variable theory?

Yes, some popular books on this topic include "Differential Equations: An Introduction to Modern Methods and Applications" by James R. Brannan and William E. Boyce, "Complex Variables and Applications" by James Ward Brown and Ruel V. Churchill, and "Differential Equations with Applications and Historical Notes" by George F. Simmons. It is recommended to research and read reviews to find the best book for your specific needs and level of understanding.

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