Geodesic
On a class of $(p,q)$-Laplacian problems involving the critical Sobolev-Hardy exponents in starshaped domain
Communications in Mathematics, Tome 25 (2017) no. 1, pp. 13-20

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Let $\Omega \subset \mathbb{R}^n$ be a bounded starshaped domain and consider the $(p,q)$-Laplacian problem \begin{align*} -\Delta_p u-\Delta_q u = \lambda ({\bf x} )\lvert u\rvert^{p^\star -2} u+\mu |u|^{r-2} u \end{align*} where $\mu$ is a positive parameter, $1 q \le p n$, $r\ge p^{\star}$ and $p^{\star}:=\frac{np}{n-p}$ is the critical Sobolev exponent. In this short note we address the question of non-existence for non-trivial solutions to the $(p, q)$-Laplacian problem. In particular we show the non-existence of non-trivial solutions to the problem by using a method based on Pohozaev identity.
Classification : 35B33, 35J20, 35J92, 58E05
Keywords: Quasi-linear elliptic problem; $(p, q)$-Laplacian operator; Critical Sobolev-Hardy exponent; Starshaped domain. 
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     author = {Shahrokhi-Dehkordi, M.S.},
     title = {On a class of $(p,q)${-Laplacian} problems involving the critical {Sobolev-Hardy} exponents in starshaped domain},
     journal = {Communications in Mathematics},
     pages = {13--20},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {2017},
     mrnumber = {3667073},
     zbl = {1391.35170},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/COMIM_2017__25_1_a2/}
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Shahrokhi-Dehkordi, M.S. On a class of $(p,q)$-Laplacian problems involving the critical Sobolev-Hardy exponents in starshaped domain. Communications in Mathematics, Tome 25 (2017) no. 1, pp. 13-20. http://geodesic.mathdoc.fr/item/COMIM_2017__25_1_a2/