Solving autonomous linear systems of differential/difference equations

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Discussion Overview

The discussion revolves around methods for solving infinite linear autonomous systems of first-order differential and difference equations. Participants are seeking literature references and exploring potential methods, including those based on spectral theory.

Discussion Character

  • Exploratory
  • Technical explanation
  • Homework-related

Main Points Raised

  • One participant inquires about methods for solving infinite-dimensional systems, referencing the established finite-dimensional approach that involves eigenvalues.
  • Another participant suggests that spectral theory might be applicable to infinite-dimensional systems.
  • References to literature are shared, including a Russian book by K.G. Valeev and O.A. Zhautykov, which the original poster is unable to locate.
  • Additional references provided include works by T. S. Rybnikova, F. R. Moulton, and William T. Reid, along with a mention of a book by N. Nikolai Iosifovich Ronto and A. Anatolii Mikhailovich Samoilenko that discusses Valeev and Zhautykov's work.
  • Participants express a light-hearted attitude towards the search for information, with one humorously suggesting to consult "the magic fairies of internet land."

Areas of Agreement / Disagreement

Participants do not reach a consensus on specific methods or solutions for the problem, and multiple references and approaches are presented without resolution.

Contextual Notes

Some references may not be readily accessible, and the discussion highlights the challenge of finding specific literature on the topic. The applicability of spectral theory to infinite-dimensional systems remains uncertain.

jozko.slaninka
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I would like to ask if anybody knows something about the methods of solving infinite linear autonomous systems of first-order differential (or possibly difference) equations.

There is a well-known method for solving finite-dimensional systems based on the computation of eigenvalues of the system matrix. I wonder if something similar can be done also for infinite-dimensional systems. Perhaps there is a method based on spectral theory...

I am mainly looking for references to literature. I have found a reference to a Russian book:

K.G. Valeev, O.A. Zhautykov, "Infinite systems of differential equations". (this is an English translation of the title)

However, I am quite unable to find this book in local libraries, nor to find out what matters are dealt with in it. If anyone knows this book, I would be grateful for any alternative references dealing with similar matters. As well as for any other references.
 
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jozko.slaninka said:
I would like to ask if anybody knows something about the methods of solving infinite linear autonomous systems of first-order differential (or possibly difference) equations.

There is a well-known method for solving finite-dimensional systems based on the computation of eigenvalues of the system matrix. I wonder if something similar can be done also for infinite-dimensional systems. Perhaps there is a method based on spectral theory...

I am mainly looking for references to literature. I have found a reference to a Russian book:

K.G. Valeev, O.A. Zhautykov, "Infinite systems of differential equations". (this is an English translation of the title)

However, I am quite unable to find this book in local libraries, nor to find out what matters are dealt with in it. If anyone knows this book, I would be grateful for any alternative references dealing with similar matters. As well as for any other references.
I've found, after cursory inspection...


The book Numerical-Analytical Methods in the Theory of Boundary-Value Problems by N. Nikolai Iosifovich Ronto and A. Anatolii Mikhailovich Samoilenko references K.G. Valeev and O.A. Zhautykov's work on infinite systems. That may be a good stop if you can't find their book firsthand.
 
Mandelbroth said:
I've found, after cursory inspection...


The book Numerical-Analytical Methods in the Theory of Boundary-Value Problems by N. Nikolai Iosifovich Ronto and A. Anatolii Mikhailovich Samoilenko references K.G. Valeev and O.A. Zhautykov's work on infinite systems. That may be a good stop if you can't find their book firsthand.

Thanks a lot!
 
jozko.slaninka said:
Thanks a lot!
You're most certainly welcome. Math is interesting! :biggrin:
 

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