Existence Theory for Single and Multiple Solutions to Singular Positone Boundary Value Problems
β Scribed by Ravi P. Agarwal; Donal O'Regan
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 143 KB
- Volume
- 175
- Category
- Article
- ISSN
- 0022-0396
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## Abstract We consider the nonβlocal singular boundary value problem where __q__ β __C__^0^([0,1]) and __f__, __h__ β __C__^0^((0,β)), lim__f__(__x__)=ββ, lim__h__(__x__)=β. We present conditions guaranteeing the existence of a solution __x__ β __C__^1^([0,1]) β© __C__^2^((0,1]) which is positive
Approximate solutions, similar to the type used in the Complex Variable Boundary Element Method, are shown to exist for two dimensional mixed boundary value potential problems on multiply connected domains. These approximate solutions can be used numerically to obtain least squares solutions or solu