maximum principles;
linear elliptic equations;
k-Hessian operator;
Green's function;
local estimates;
D O I:
10.1512/iumj.2007.56.3073
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
We prove extensions of the extimates of Aleksandrov and Bakel' man for linear elliptic operation in Euclidean space R-n to inhomogeneous terms in L-q spaces for q < n. Our estimates depend on restrictions on the ellipticity of the operations determined by certain subcones of the positive cone. We also consider some applications to local pointwise and L-2 estimates.