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UNIQUENESS OF GENERALIZED SOLUTION FOR THE CAUCHY PROBLEM OF TRANSPORTATTION EQUATIONS 被引量:6
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作者 王振 丁夏畦 《Acta Mathematica Scientia》 SCIE CSCD 1997年第3期341-352,共12页
In this paper, we prove the uniqueness of generalized solution defined by Lebesgue-Stieltjes integral for the Cauchy problem of transportation equations. Our results are based on the discussions for linear system with... In this paper, we prove the uniqueness of generalized solution defined by Lebesgue-Stieltjes integral for the Cauchy problem of transportation equations. Our results are based on the discussions for linear system with discontinuous coefficient. 展开更多
关键词 hyperbolic system generalized solution lebesgue-stieltjes integral generalized potential
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On the Two-Dimensional Cauchy Problem of a Hyperbolic System
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作者 Huang Feimin Institute of Applied Mathematics, Academic. Sinica, Beijing 100080, China 《Acta Mathematica Sinica,English Series》 SCIE CSCD 1998年第3期399-410,共12页
In this paper, we prove the global existence of generalized solutions to a two-dimensional Cauchy problem of a hyperbolic system by introducing a new definition of generalized solution. Moreover, the solution may invo... In this paper, we prove the global existence of generalized solutions to a two-dimensional Cauchy problem of a hyperbolic system by introducing a new definition of generalized solution. Moreover, the solution may involve delta-wave. 展开更多
关键词 hyperbolic system generalized solution lebesgue-stieltjes integral two-Dimensional Cauchy problem
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Existence and uniqueness of discontinuous solutions defined by Lebesgue-Stieltjes integral 被引量:5
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作者 丁夏畦 王振 《Science China Mathematics》 SCIE 1996年第8期807-819,共13页
The global existence and uniqueness of solutions for the Cauchy problem of a non-strictly hyperbolic system are proved. Such new generalized solutions are defined by Lebesgue-Stieltjes integral. It involves the so-cal... The global existence and uniqueness of solutions for the Cauchy problem of a non-strictly hyperbolic system are proved. Such new generalized solutions are defined by Lebesgue-Stieltjes integral. It involves the so-called wave. The method can also be applied to more general systems. 展开更多
关键词 hyperbolic system generalized solution lebesgue-stieltjes integral.
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SOLUTIONS CONTAINING DELTA-WAVES OF CAUCHY PROBLEMS FOR A NONSTRICTLY HYPERBOLIC SYSTEM 被引量:1
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作者 黄飞敏 李才中 王振 《Acta Mathematicae Applicatae Sinica》 SCIE CSCD 1995年第4期429-446,共18页
In this paper, we prove the global existence and uniqueness of generalized solution defined by Lebesgue-Stieltjes integral containing the so called δ-wave for Cauchy problems of a nonstrictly hyperbolic system, and o... In this paper, we prove the global existence and uniqueness of generalized solution defined by Lebesgue-Stieltjes integral containing the so called δ-wave for Cauchy problems of a nonstrictly hyperbolic system, and obtain some interesting properties of the δ-wave. 展开更多
关键词 hyperbolic system generalized solution δ-wave lebesgue-stieltjes integral
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狭义双曲组Cauchy问题广义解的适定性
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作者 吴江 《华南师范大学学报(自然科学版)》 CAS 1994年第4期63-69,共7页
本文讨论两个自变量的线性狭义双曲型偏微分方程组Cauchy问题广义解的适定性。
关键词 狭义双曲组 广义解 偏微分方程 初值问题
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ON THE CAUCHY PROBLEM OF TRANSPORTATION EQUATIONS 被引量:4
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作者 王振 黄飞敏 丁夏畦 《Acta Mathematicae Applicatae Sinica》 SCIE CSCD 1997年第2期113-122,共6页
In this paper, we prove the global existence of generalized solutions of Cauchy problem for transportation equations; moreover, we construct the solution by generalized potential.
关键词 hyperbolic system generalized solution lebesgue-stieltjes integral generalized potential
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关于一类非线性双曲方程组的二维Cauchy问题
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作者 黄飞敏 《数学学报(中文版)》 SCIE CSCD 北大核心 1998年第4期707-714,共8页
本文通过引进新的广义解定义,对一类非线性双曲方程组的二维Cauchy问题,证明了解的存在唯一性.并且,解可能含δ波.
关键词 双曲型方程组 非线性 柯西问题
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