论文信息 - A GENERALIZED UPPER AND LOWER SOLUTION METHOD FOR SINGULAR DISCRETE INITIAL VALUE PROBLEMS

A GENERALIZED UPPER AND LOWER SOLUTION METHOD FOR SINGULAR DISCRETE INITIAL VALUE PROBLEMS

This paper presents new existence results for singular discrete initial value problems. In particular our nonlinearity may be singular in its dependent variable and is allowed to change sign.

D. O’Regan | R. Agarwal | D. Jiang | R. Agarwal

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