A New Approach for Numerically Solving Nonlinear Eigensolution Problems |
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Authors: | Changchun Wang Jianxin Zhou |
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Affiliation: | 1.Department of Mathematics,Texas A&M University,College Station,USA;2.Department of US Imaging,Cggveritas Company,Houston,USA |
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Abstract: | By considering a constraint on the energy profile, a new implicit approach is developed to solve nonlinear eigensolution problems. A corresponding minimax method is modified to numerically find eigensolutions in the order of their eigenvalues to a class of semilinear elliptic eigensolution problems from nonlinear optics and other nonlinear dispersive/diffusion systems. It turns out that the constraint is equivalent to a constraint on the wave intensity in L-(p+1) norm. The new approach enables people to establish some interesting new properties, such as wave intensity preserving/control, bifurcation identification, etc., and to explore their applications. Numerical results are presented to illustrate the method. |
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