| 书目名称 | Nonlinear Diffusion Equations and Their Equilibrium States II | | 副标题 | Proceedings of a Mic | | 编辑 | W.-M. Ni,L. A. Peletier,James Serrin | | 视频video | | | 丛书名称 | Mathematical Sciences Research Institute Publications | | 图书封面 |  | | 描述 | In recent years considerable interest has been focused on nonlinear diffu sion problems, the archetypical equation for these being Ut = ~U + f(u). Here ~ denotes the n-dimensional Laplacian, the solution u = u(x, t) is defined over some space-time domain of the form n x [O,T], and f(u) is a given real function whose form is determined by various physical and mathematical applications. These applications have become more varied and widespread as problem after problem has been shown to lead to an equation of this type or to its time-independent counterpart, the elliptic equation of equilibrium ~u+f(u)=O. Particular cases arise, for example, in population genetics, the physics of nu clear stability, phase transitions between liquids and gases, flows in porous media, the Lend-Emden equation of astrophysics, various simplified com bustion models, and in determining metrics which realize given scalar or Gaussian curvatures. In the latter direction, for example, the problem of finding conformal metrics with prescribed curvature leads to a ground state problem involving critical exponents. Thus not only analysts, but geome ters as well, can find common ground in the present work. The c | | 出版日期 | Conference proceedings 1988 | | 关键词 | Fusion; Mathematica; Scala; behavior; curvature; differential equation; equation; form; function; genetics; me | | 版次 | 1 | | doi | https://doi.org/10.1007/978-1-4613-9608-6 | | isbn_softcover | 978-1-4613-9610-9 | | isbn_ebook | 978-1-4613-9608-6Series ISSN 0940-4740 | | issn_series | 0940-4740 | | copyright | Springer-Verlag New York Inc. 1988 |
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发表于 2025-3-21 16:30:27
