非等熵流气体动力学方程组解的生命跨度
LIFE SPAN OF SOLUTIONS TO NONISENTROPIC GAS DYNAMICS SYSTEMS
摘要
考虑一维非等熵流气体动力学方程组Cauchy问题 ,给出了其经典解产生奇性的一个充分条件 ,并证明了解的生命跨度的精确估计 .
Cauchy problem for one dimensional nonisentropic gas dynamics systems was considered,and a sufficient condition which solution to Cauchy problem forms singularities was given and the sharp estimate of life span was shown also.
基金
国家数学天元基金
河南省杰出青年和河南省中青年骨干教师基金资助
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