ASYMPTOTIC BEHAVIOR OF POSITIVE SOLUTIONS OF THE HENON EQUATION

被引:1
作者
Wang, Biao [1 ]
Zhang, Zhengce [2 ]
机构
[1] Xian Univ Sci & Technol, Coll Sci, Xian 710054, Shaanxi, Peoples R China
[2] Xi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Shaanxi, Peoples R China
基金
中国国家自然科学基金;
关键词
Henon equation; singular solutions; asymptotic expansions; SEMILINEAR ELLIPTIC-EQUATIONS; RADIAL SYMMETRY; STEADY-STATES; CLASSIFICATION; UNIQUENESS; STABILITY; RN;
D O I
10.1216/RMJ-2018-48-8-2717
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We investigate the radial positive solutions of the Henon equation. It is known that this equation has three different types of radial solutions: the M-solutions (singular at r = 0), the E-solutions (regular at r = 0) and the F-solutions (whose existence begins away from r = 0). For the M-solutions and E-solutions, by virtue of some prior estimates, we adopt a circulating iterative method, step-by-step, to derive their precise asymptotic expansions. In particular, the M-solution has an extremely plentiful structure, and its asymptotic expansions are more complicated. In contrast to previous research [2, 9], our results are more accurate.
引用
收藏
页码:2717 / 2749
页数:33
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