What is the subject which collect difference equations and algebra in one field ?

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Which are good studies : studying the difference ( differential ) equation purely or deriving it from a phenomenon and then start the studies ?

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Yuri S Semenov

I can only provide a reference

http://www.emis.de/journals/SIGMA/2006/Paper051/

Best regards, Yuri

Tarek F. Ibrahim

Dear Prof Yuri S Semenov ,

Thank you very much for your answer .

Best Regards ,

Dr/Tarek Ibrahim ( T. F. Ibrahim )

Associate professor

¹Current address : Department of Mathematics, Faculty of Sciences and arts (S. A.) ,King Khalid University, Abha , Saudi Arabia

²Permanent address: Department of Mathematics, Faculty of Science, Mansoura University, Mansoura 35516, Egypt.

E-mails: [email protected]

[email protected]

Personal Websites :

http://eupc.mans.edu.eg/V2/get?Dr=27311031200455&T=2&L=A/

http://eupc.mans.edu.eg/V2/get?Dr=27311031200455&T=2&L=E

https://www.researchgate.net/profile/Tarek_Ibrahim2/?ev=hdr_xprf

http://scholar.google.com/citations?hl=en&user=K0uEihsAAAAJ&sortby=pubdate&view_op=list_works&pagesize=100