Geodesic
On the existence of positive solutions of second order neutral difference equations
Wen-Xian Lin1
1 Department of Mathematics, Hanshan Teachers College Chaozhou, Guangdong 521041, P.R. China
Applicationes Mathematicae, Tome 31 (2004) no. 1, pp. 5-11.

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

The neutral delay difference equations of second order with positive and negative coefficients $$ { \Delta } ^2 ( {x_n + p_n x_{n - \tau } } ) + q_n x_{n - \sigma } - r_n x_{n - \lambda } = 0 ,\hskip 1em \ n = 0,1,2,\mathinner {\ldotp \ldotp \ldotp }, $$ is studied, and a sufficient condition for the existence of a positive solution of this equation is obtained.
DOI : 10.4064/am31-1-2
Keywords: neutral delay difference equations second order positive negative coefficients delta tau sigma lambda hskip mathinner ldotp ldotp ldotp studied sufficient condition existence positive solution equation obtained

Wen-Xian Lin 1

1 Department of Mathematics, Hanshan Teachers College Chaozhou, Guangdong 521041, P.R. China 
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Wen-Xian Lin. On the existence of positive solutions
  of second order neutral difference equations. Applicationes Mathematicae, Tome 31 (2004) no. 1, pp. 5-11. doi : 10.4064/am31-1-2. http://geodesic.mathdoc.fr/articles/10.4064/am31-1-2/

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