Based on theory of hyperbolic linear partialdifferentialoperator, the initial value problem of a kind of quasi-linear hyperbolic equations with non-zero initial values was introduced and studied.
基于双曲型线性偏微分算子理论,引入并研究了具有非零初始值的拟线性双曲型方程的定解问题。
2
It is well-known that fractional integral operator is one of the important operators in harmonic analysis with background of partialdifferential equations.
众所周知,分数次积分算子是调和分析中以偏微分方程为背景的一种重要算子。
3
Impulse hyperbolic partialdifferential equation oscillation higher order Laplace operator.