Abstract:In this paper, the equations and systems of Monge-Ampère with parameters are considered. We first show the uniqueness of of nontrivial radial convex solution of Monge-Ampère equations by using sharp estimates. Then we analyze the existence and nonexistence of nontrivial radial convex solutions to Monge-Ampère systems, which includes some new ingredients in the arguments. Furthermore, the asymptotic behavior of nontrivial radial convex solutions for Monge-Ampère systems is also considered. Finally, as an applic… Show more
“…blow up at infinity) positive solutions by using the maximum principle. On other related problems to (3) can be found in [2,11,14,13,17,16,22,24,26,32,37,38,40,41,51].…”
In this paper, by using the eigenvalue theory, the sub-supersolution method and the fixed point theory, we prove the existence, multiplicity, uniqueness, asymptotic behavior and approximation of positive solutions for singular multiparameter p-Laplacian elliptic systems on nonlinearities with separate variables or without separate variables. Various nonexistence results of positive solutions are also studied.
“…blow up at infinity) positive solutions by using the maximum principle. On other related problems to (3) can be found in [2,11,14,13,17,16,22,24,26,32,37,38,40,41,51].…”
In this paper, by using the eigenvalue theory, the sub-supersolution method and the fixed point theory, we prove the existence, multiplicity, uniqueness, asymptotic behavior and approximation of positive solutions for singular multiparameter p-Laplacian elliptic systems on nonlinearities with separate variables or without separate variables. Various nonexistence results of positive solutions are also studied.
“…In addition, some scholars have studied the existence of nontrivial radial convex solutions for a single Monge-Ampère equation or systems of such equations, utilizing the theory of topological degree, bifurcation techniques, the upper and lower solutions method, and so on. For further details, see [2][3][4][5][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25] and the references therein.…”
Monge–Ampère equations have important research significance in many fields such as geometry, convex geometry and mathematical physics. In this paper, under some superlinear and sublinear conditions, the existence of nontrivial solutions for a system arising from Monge–Ampère equations with two parameters is investigated based on the Guo–Krasnosel’skii fixed point theorem. In the end, two examples are given to illustrate our theoretical results.
“…Related to k-Hessian equations, if k = 1 the k-Hessian equations become the well-known Laplacian equations, and if k = N the k-Hessian equations become the Monge-Ampère equations. Concerning Laplacian equations and Monge-Ampère equations, there are a great number of research papers, see for examples [1,6,7,22] and the references therein.…”
In this paper, a Hessian type system is studied. After converting the existence of an entire solution to the existence of a fixed point of a continuous mapping, the existence of entire k-convex radial solutions is established by the monotone iterative method. Moreover, a nonexistence result is also obtained.
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