On Some Degenerate Differential Operator
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Francesco Altomare; Ingrid Carbone
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Article
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1997
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Elsevier Science
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English
⚖ 302 KB
We deal with the degenerate differential operator Au x [ ␣ x uЉ x xG0 Here W denotes the Banach space of all w w Moreover, we assume that the function ␣ is continuous and positive on 0, qϱ , it Ž . Ž . is differentiable at 0, and satisfies the inequalities 0 for suitable constants ␣ and ␣ . We sh