A lower bound for the first eigenvalue of an elliptic operator |
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Authors: | A Alvino G Trombetti |
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Affiliation: | Istituto di Matematica “R. Caccioppoli”, Universita'' Degli Studi di Napoli, Napoli, Italy |
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Abstract: | Oscillatory behavior of the solutions of the nth-order delay differential equation Lnx(t) + q(t)f(x[g(t)]) = 0 is discussed. The results obtained are extensions of some of the results by Kim (Proc. Amer. Math. Soc.62 (1977), 77–82) for y(n) + py = 0. |
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