, Volume 109, Issue 2, pp 229-231

A direct uniqueness proof for equations involving the p-Laplace operator

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 We provide a simple convexity argument for some known uniqueness theorems. Previous proofs were more technical and had to pay attention to the behaviour of solutions near the boundary.

Received: 3 May 2002
Mathematics Subject Classification (2000): 35J20, 35J70, 49R05