Abstract
We prove nonexistence theorems of nonnegative nontrivial solutions for a system of ordinary differential inequalities in bounded domains with singular points on the boundary. The proofs are based on the test function using a method developed by Mitidieri and Pohozaev. We also give the examples demonstrating that the conditions obtained are sharp in the case of the problem under consideration.
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Li, X., Wan, H. & Li, X. Absence of Solutions for a System of Ordinary Differential Inequalities. Math Notes 109, 600–608 (2021). https://doi.org/10.1134/S0001434621030299
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DOI: https://doi.org/10.1134/S0001434621030299