Existence of Positive Solution for a Nonlinear Weighted Bi-Harmonic System of Elliptic Partial Differential Equations via Fixed-Point Argument
DOI:
https://doi.org/10.3329/ganit.v40i1.48195Keywords:
Nonlinear weighted bi-harmonic system of elliptic partial differential equations; Priori solution estimates; Fixed-point argument;Abstract
In this paper, we establish an existence criterion of positive solution for a nonlinear weighted bi-harmonic system of elliptic partial differential equations in the unit ball in Nn ( dimensionaleuclideanspace) The analysis of this paper is based on a topological method (a fixed-point argument). Initially, we establish a priori solution estimates, and then use a fixed-point theorem for deducing the existence of positive solutions. Finally, we prove a non-existence criterion as the complement of existence criterion.
GANIT J. Bangladesh Math. Soc.Vol. 40 (2020) 54-70
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