The generalized ThomasβFermi singular bo
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Ravi P. Agarwal; Donal O'Regan; Panos K. Palamides
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Article
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2005
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John Wiley and Sons
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English
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## Abstract This paper presents an upper and lower solution theory for singular boundary value problems modelling the ThomasβFermi equation, subject to a boundary condition corresponding to the neutral atom with Bohr radius equal to its existence interval. Furthermore, we derive sufficient conditio