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Liouville type theorems for \(\varphi\)-subharmonic functions. (English) Zbl 1043.58022

Summary: We present some Liouville type theorems for solutions of differential inequalities involving the \(\varphi\)-Laplacian. Our results, in particular, improve and generalize known results for the Laplacian and the \(p\)-Laplacian, and are new even in these cases. Phragmen-Lindelöff type results, and a weak form of the Omori-Yau maximum principle are also discussed.

MSC:

58J60 Relations of PDEs with special manifold structures (Riemannian, Finsler, etc.)
31B05 Harmonic, subharmonic, superharmonic functions in higher dimensions
35B05 Oscillation, zeros of solutions, mean value theorems, etc. in context of PDEs
35B50 Maximum principles in context of PDEs