Comparison and oscillation theorems for equations with middle terms of order n−1
✍ Scribed by A.G Kartsatos; J Toro
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- English
- Weight
- 740 KB
- Volume
- 66
- Category
- Article
- ISSN
- 0022-247X
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📜 SIMILAR VOLUMES
## Abstract Oscillation criteria for self‐adjoint fourth‐order differential equations were established for various conditions on the coefficients __r__(__x__) > 0, __q__(__x__) and __p__(__x__). However, most of these results deal with the case when lim~__x__ → ∞~∫^__x__^~1~__q__(__s__) __ds__ < +
In this paper we are concerned with some new criteria for the oscillation and nonoscillation of the second-order nonhomogeneous linear difference equations of Ž . Ä 4Ä 4 Ä 4 the form ⌬ c ⌬ x q q x s f , n s 1, 2, . . . , where c , f , and q are ny 1 ny1 n n n n n n real sequences, c ) 0 for n G 0, a