Quasi–concave envelope of a function and convexity of level sets of solutions to elliptic equations
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Publication:4432754
DOI10.1002/mana.200310083zbMath1128.35332OpenAlexW2041369651MaRDI QIDQ4432754
Paolo Salani, Andrea Colesanti
Publication date: 29 October 2003
Published in: Mathematische Nachrichten (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1002/mana.200310083
Boundary value problems for second-order elliptic equations (35J25) Nonlinear elliptic equations (35J60)
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