
doi: 10.1007/bf02820473
A k-Hessian operator and k-Hessian integral \((k=1,...,n)\) are defined respectively by \[ S_ k(\nabla^ 2u)=\sum_{1\leq i_ 1<...
Monge-Ampère equations, symmetrization, Schwarz symmetrization, Nonlinear boundary value problems for linear elliptic equations, k-Hessian operator, Brunn-Minkowski inequalities, Geometric theory, characteristics, transformations in context of PDEs, k-Hessian integral, Dirichlet problem
Monge-Ampère equations, symmetrization, Schwarz symmetrization, Nonlinear boundary value problems for linear elliptic equations, k-Hessian operator, Brunn-Minkowski inequalities, Geometric theory, characteristics, transformations in context of PDEs, k-Hessian integral, Dirichlet problem
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