Sub-harmonicity,monotonicity formula and finite Morse index solutions of an elliptic equation with negative exponent |
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Authors: | ZongMing Guo Feng Zhou |
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Institution: | 1. Department of Mathematics, Henan Normal University, Xinxiang, 453007, China 2. Center for PDEs and Department of Mathematics, East China Normal University, Shanghai, 200241, China
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Abstract: | A monotonicity formula for stable solutions to a class of weighted semilinear elliptic equations with "negative exponent" is established.It is well known that such a monotonicity formula plays an essential role in the study of finite Morse index solutions of equations with "positive exponent".Unlike the positive exponent case,we will see that both the monotonicity formula and the sub-harmonicity play crucial roles in classifying positive finite Morse index solutions to the equations with negative exponent and obtaining sharp results for their asymptotic behaviors. |
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