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Sharp bounds for the first eigenvalue and the torsional rigidity related to some anisotropic operators
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Sharp bounds for the first eigenvalue and the torsional rigidity related to some anisotropic operators
classification
math.AP
keywords
operatorssharpanisotropicboundeigenvaluefirstproverigidity
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We prove a sharp upper bound for the first Dirichlet eigenvalue of a class of nonlinear elliptic operators which includes the p-Laplace and the pseudo-p-Laplace operators. Moreover, we prove a stability result by means of a suitable isoperimetric deficity. Finally, we give a sharp lower bound for the anisotropic p-torsional rigidity.
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