Asymptotics for a nonlinear integral equation with a generalized heat kernel

Asymptotics for a nonlinear integral equation with a generalized heat kernel
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DOI:
10.1007/s00028-014-0237-3
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发表时间:
2013-09
影响因子:
1.4
通讯作者:
Kazuhiro Ishige;Tatsuki Kawakami;Kanako Kobayashi
Kazuhiro Ishige;Tatsuki Kawakami;Kanako Kobayashi
中科院分区:
数学3区
文献类型:
--
作者:
Kazuhiro Ishige;Tatsuki Kawakami;Kanako Kobayashi

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研究了一类非线性积分方程u(x,t)=\int_{{\bfR}^N}G(x-y,t)\varphi(y)dy+\int_0^t\int_{{\bfR}^N}G(x-y,t-s)f(y,s:u)dyds,\quad $其中,对于某些情形,下面是热核的一个推广。我们感兴趣的渐近展开的解决方案的行为像一个多个积分核。
This paper is concerned with a nonlinear integral equation $$ (P)\qquad u(x,t)=\int_{{\bf R}^N}G(x-y,t)\varphi(y)dy+\int_0^t\int_{{\bf R}^N}G(x-y,t-s)f(y,s:u)dyds, \quad $$ where,for some. Hereis a generalization of the heat kernel. We are interested in the asymptotic expansions of the solution ofbehaving like a multiple of the integral kernelas.