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带非局部源项的退化抛物方程的爆破

Blow-up for a Degenerate Parabolic Equation with Nonlocal Source
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摘要 讨论了一类带有变指标反应项的非局部退化抛物方程ut=Δ(um)+∫Ωup(x)dx的爆破行为。运用特征函数方法和上下解方法,得到了该方程非负解的整体存在和有限时刻爆破的条件。 The blow - up properties for a degenerate parabolic equation with nonlocal source and variable exponent are studied. By using the eigenfunction method and upper and lower solutions methods on it, the conditions for the solutions exist globally or blow -up in finite time are obtained.
出处 《宜春学院学报》 2013年第6期37-38,共2页 Journal of Yichun University
基金 中央财政支持项目省级特色专业(亳州师专数学教育专业)建设点 安徽省自然科学基金(KJ2011Z258) 亳州师范高等专科学校质量工程专项(课题编号:BZSZJYXM201116) 亳州师专科研课题(项目编号:BZSZKYXM201111)
关键词 非局部源 变指标 退化抛物方程 爆破 Nonlocal Source Variable Exponent Degenerate Parabolic Equation Blow- up
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参考文献9

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二级参考文献5

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