| 拟线性双曲方程组经典解存在区间的下界 |
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| 引用本文： | 杨雄锋.拟线性双曲方程组经典解存在区间的下界[J].数学杂志,2006,26(3):237-242. |
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| 作者姓名： | 杨雄锋 |
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| 作者单位： | 武汉大学数学与统计学院,湖北,武汉,430072 |
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| 基金项目： | Supported by National Natural Science Funds of China(10131050). |
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| 摘 要： | 本文利用特征线的方法,得到关于拟线性双曲方程组Cauchy问题经典解的一致先验估计.这样的估计给出了系统经典解存在区间的下界.
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| 关 键 词： | 拟线性双曲方程组 弱线性退化 存在区间 |
| 文章编号： | 0255-7797（2006）03-0237-06 |
| 收稿时间： | 2004-01-07 |
| 修稿时间： | 2004-01-07 |
LOWER BOUNDS ON LIFE-SPAN OF CLASSICAL SOLUTION TO QUASILINEAR HYPERBOLIC SYSTEMS |
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| YANG Xion-feng.LOWER BOUNDS ON LIFE-SPAN OF CLASSICAL SOLUTION TO QUASILINEAR HYPERBOLIC SYSTEMS[J].Journal of Mathematics,2006,26(3):237-242. |
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| Authors: | YANG Xion-feng |
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| Institution: | School of Math. and Statistics, Wuhan University, Wuhan 430072, China |
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| Abstract: | This paper obtains a uniform a priori estimate of classical solution to the Cauchy problem for quasilinear hyperbolic system by using the method of characteristic,which gives a lower bound on life-span of the classical solution. |
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| Keywords: | quasilinear hyperbolic system weakly linearly degenerate life-span |
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