J4 ›› 2009, Vol. 47 ›› Issue (6): 1105-1111.
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WU Xuesong, GAO Wenjie
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Abstract:
The authors studied the global existence and blow\|up properties of positive solutions of an evolution p-Laplace system with nonlinear inner sources and nonlinear boundary conditions. The authors first proved a local existence result by the regularization method, then proved a weak comparison principle and finally, obtained some necessary and sufficient conditions for the global existence of all positive weak solutions by constructing upper and lower solutions. The result shows that under the proper assumptions on initial value, the necessary and sufficient conditions for the global existence of all positive weak solutions only related to the exponents of the system(p1,p2,m11,m12,m21,m22,q1,q2).
Key words: nonlinear boundary value problem, evolution p-Laplace system, global existence, blowup
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WU Xuesong, GAO Wenjie. Global Existence and Blowup of Solutions to an Evolutionp-Laplace System with Nonlinear Boundary Conditions[J].J4, 2009, 47(6): 1105-1111.
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