On the Global Asymptotic Stability of a Second-Order System of Difference Equations

Autor: Ibrahim Yalcinkaya
Jazyk: angličtina
Rok vydání: 2008
Předmět:
Zdroj: Discrete Dynamics in Nature and Society, Vol 2008 (2008)
Druh dokumentu: article
ISSN: 1026-0226
1607-887X
DOI: 10.1155/2008/860152
Popis: A sufficient condition is obtained for the global asymptotic stability of the following system of difference equations 𝑧𝑛+1=(𝑡𝑛𝑧𝑛−1+𝑎)/(𝑡𝑛+𝑧𝑛−1),𝑡𝑛+1=(𝑧𝑛𝑡𝑛−1+𝑎)/(𝑧𝑛+𝑡𝑛−1),𝑛=0,1,2,…, where the parameter 𝑎𝜖(0,∞) and the initial values (𝑧𝑘,𝑡𝑘)𝜖(0,∞) (for 𝑘=−1,0).
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