Object

Title: Asymptotic form and infinite product representation of solution of second order initial value problem with a complex parameter and a finite number of turning points

Publication Details:

«ՀՀ ԳԱԱ Տեղեկագիր: Մաթեմատիկա»-ն լույս է տեսնում 1966 թվականից՝ տարին 6 անգամ։

Journal or Publication Title:

ՀՀ ԳԱԱ Տեղեկագիր: Մաթեմատիկա =Известия НАН Армении: Математика =Proceedings of the NAS Armenia: Mathematics

Date of publication:

2011

Volume:

46

Number:

4

ISSN:

00002-3043

Official URL:


Additional Information:

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Contributor(s):

Գլխավոր խմբ․՝ Մ․ Մ․ Ջրբաշյան (1966-1994) ; Ռ․ Վ․ Համբարձումյան (1994-2009) ; Ա․ Ա․ Սահակյան (2010-)

Coverage:

57-76

Abstract:

The paper studies the differential equation yn + (р2ф2(х ) - q(x)) y = 0 (*) on the interval I = [0, 1], containing a finite number of zeros 0 < x1 < X2 < ... < < xm < 1 of ф2 , i.e. so-called turning points. Using asymptotic estimates from [6] for appropriate fundamental systems of solutions of (*) as \p\ →∞ < x, it is proved that, if there is an asymptotic solution of the initial value problem generated by (*) in the interval [0,x1 ) , then the asymptotic solutions in the remaining intervals can be obtained recursively. Furthermore, an infinite product representation of solutions of ( * ) is studied. The representations are useful in the study of inverse spectral problems for such equations.

Place of publishing:

Երևան

Publisher:

Հայաստանի ԳԱԱ

Date created:

2011-08-19

Format:

pdf

Identifier:

oai:arar.sci.am:112888

Call number:

АЖ 411

Digitization:

ՀՀ ԳԱԱ Հիմնարար գիտական գրադարան

Location of original object:

ՀՀ ԳԱԱ Հիմնարար գիտական գրադարան

Object collections:

Last modified:

Sep 24, 2024

In our library since:

Apr 2, 2020

Number of object content hits:

24

All available object's versions:

https://arar.sci.am/publication/124272

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