Existence of integrating factors for higher-order ordinary differential equations

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Fältnamn	Indikatorer	Metadata
000		01713naa a2200289 4500
001		oai:DiVA.org:bth-8834
003		SwePub
008		071228s2007 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:bth-88342 URI
040		a (SwePub)bth
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Ibragimov, Nail H.4 aut
245	1 0	a Existence of integrating factors for higher-order ordinary differential equations
264	1	a Karlskrona, Sweden :b ALGA publications, BTH,c 2007
338		a print2 rdacarrier
500		a Online: http://www.bth.se/ihn/alga.nsf/attachments/Archives%204_1_pdf/$file/Archives%204 _1.pdf
520		a We investigate the concept of integrating factors for higher-order ordinary differential equations introduced recently by one of the authors (NHI). The integrating factors for equations of order higher than one are determined by overdetermined systems. Therefore one can expect that not all higher-order equations have integrating factors. We prove in this paper that in fact they have. Moreover, we demonstrate that every equation of order n has precisely n functionally independent integrating factors.
650	7	a NATURVETENSKAPx Matematikx Matematisk analys0 (SwePub)101012 hsv//swe
650	7	a NATURAL SCIENCESx Mathematicsx Mathematical Analysis0 (SwePub)101012 hsv//eng
653		a Integrating factors
653		a ordinary differential equations
700	1	a Khabirov, S.V.4 aut
773	0	t Archives of ALGAd Karlskrona, Sweden : ALGA publications, BTHg 4, s. 61-70q 4<61-70x 1652-4934
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:bth-8834

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