A Unified Boundary Behavior of Large Solutions to Hessian Equations

Citation:

Zhijun ZHANG.A Unified Boundary Behavior of Large Solutions to Hessian Equations[J].Chinese Annals of Mathematics B,2020,41(4):601~614
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Authors:

Zhijun ZHANG;

Foundation:

This work was supported by the National Natural Science Foundation of China (No. 11571295) and RP of Shandong Higher Education Institutions (No. J17KA173).
Abstract: This paper is concerned with strictly k-convex large solutions to Hessian equations Sk(D2u(x)) = b(x)f(u(x)), x ∈ ?, where ? is a strictly (k k 1)-convex and bounded smooth domain in Rn, b ∈ C(?) is positive in ?, but may be vanishing on the boundary. Under a new structure condition on f at infinity, the author studies the refined boundary behavior of such solutions. The results are obtained in a more general setting than those in [Huang, Y., Boundary asymptotical behavior of large solutions to Hessian equations, Pacific J. Math., 244, 2010, 85–98], where f is regularly varying at infinity with index p > k.

Keywords:

Hessian equations, Strictly k-convex large solutions, Boundary behavior

Classification:

35J60, 35B40
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