Existence and uniqueness of weak positive solution for essential singular elliptic problem involving the square root of the Laplacian
- School of Science, Xi'an University of Technology, Xi'an, Shaanxi 710054, P. R. China.
- School of Science, Chang'an University, Xi'an, Shaanxi 710064, P. R. China.
In this paper we consider the existence and uniqueness
of weak positive solution for nonlocal equations of the square root of the Laplacian with singular nonlinearity. The remarkable feature of this paper is the fact that the natural associated functional fails to be Frechet differentiable, critical point theory could not be applied to obtain the existence of weak positive solution. We first establish the priori estimate of weak solution of approximating problems. Then the weak positive solution is constructed by combining sub-and supersolutions method and truncate technology.
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Xing Wang, Li Zhang, Existence and uniqueness of weak positive solution for essential singular elliptic problem involving the square root of the Laplacian, Journal of Nonlinear Sciences and Applications, 11 (2018), no. 10, 1149--1160
Wang Xing, Zhang Li, Existence and uniqueness of weak positive solution for essential singular elliptic problem involving the square root of the Laplacian. J. Nonlinear Sci. Appl. (2018); 11(10):1149--1160
Wang, Xing, Zhang, Li. "Existence and uniqueness of weak positive solution for essential singular elliptic problem involving the square root of the Laplacian." Journal of Nonlinear Sciences and Applications, 11, no. 10 (2018): 1149--1160
- Fractional Laplacian
- essential singular nonlinearity
- nondifferentiable functional
- a priori estimate
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