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517.957 (6) |
Дифференциальные, интегральные и другие функциональные уравнения. Конечные разности. Вариационное исчисление. Функциональный анализ (242) |
SM ISO690:2012 JULIUS FERGY, T. Rabago. Forbidden Set of the Rational Difference Equation xn+1 = xnxn-k/(axn-k+1 + xnxn-k+1xn-k). In: Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica, 2017, nr. 1(83), pp. 29-38. ISSN 1024-7696. |
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Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica | ||||||
Numărul 1(83) / 2017 / ISSN 1024-7696 /ISSNe 2587-4322 | ||||||
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CZU: 517.957 | ||||||
MSC 2010: 39A10. | ||||||
Pag. 29-38 | ||||||
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Rezumat | ||||||
This short note aims to answer one of the open problems raised by F. Balibrea and A. Cascales in [2]. In particular, the forbidden set of the nonlinear difference equation xn 1 = xnxn¡k=(axn¡k 1 xnxn¡k 1xn¡k), where k is a positive integer and a is a positive constant, is found by ¯first computing the closed form solution of the given equation. Additional results regarding the limiting properties and periodicity of its solutions are also discussed. Numerical examples are also provided to illustrate the exhibited results. Lastly, a possible generalization of the present work is offered as an open problem. |
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Cuvinte-cheie Forbidden set, closed form solution, di®erence equation, open problem |
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