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On upper and lower values of a generalized function at a point

✍ Scribed by Yu. P. Chuburin


Publisher
SP MAIK Nauka/Interperiodica
Year
1973
Tongue
English
Weight
331 KB
Volume
14
Category
Article
ISSN
0001-4346

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πŸ“œ SIMILAR VOLUMES


Upper and lower solutions method and a s
✍ Qiumei Zhang; Daqing Jiang πŸ“‚ Article πŸ“… 2008 πŸ› Elsevier Science 🌐 English βš– 282 KB

The singular boundary value problem is studied in this paper.The singularity may appear at t = 0 and the function g may be superlinear at u = ∞ and change sign. The existence of solutions is obtained via an upper and lower solutions method.

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✍ Ravi P. Agarwal; Donal O'Regan πŸ“‚ Article πŸ“… 2000 πŸ› John Wiley and Sons 🌐 English βš– 87 KB πŸ‘ 2 views

An upper and lower solution theory is presented for singular initial value problems. Our non-linear term may be singular in both the independent and dependent variable. Existence will be established using Schauder's "xed point theorem and the Arzela}Ascoli theorem.