查询词典 constructive existence proof

The existence and uniqueness of double degenerate parabolic equation are considered.

讨论双退化抛物型方程解的存在性和唯一性。

In this paper, we study the global existence and finite time blow up of the solutionfor a nonlinear degenerate parabolic equation with a non-local source.

本文研究了一类含非局部源的退化非线性抛物型方程的解的整体存在性和有限时刻爆破性质。

Next,critical global existence exponent and critical Fujita exponent are proved for the half space problem to a doubly degenerate parabolic equation with nonlinear flux condition.

其次，对一类具有非线性边界流的双重退化抛物型方程半无限问题，运用比较原理给出了解的整体存在临界指标和Fujita临界指标。

In this chapter we discussed the existence,uniqueness and approximation degree of binary cubic splines with C~2 connectivity for type-Ⅱtriangulations on rectangular domain,and we also gave a analysis of approximation of the interpolation splines.

本文还研究了二元三次样条函数在曲面重建中的应用问题，在TYPE-Ⅱ型剖分下，对于三次样条插值曲面的C~1-拼接问题，许多学者在这方面展开了大量的研究

Inspired by this section, in section 5.2,we explore some basic topological degree properties of A-proper mapping in Menger pn-space. By its homotopy invariance, we prove the existence of solution for some equations.

受这节内容的启发，在第5.2节，我们首次在Menger pn-空间中研究了A-proper映射的拓扑度理论，并利用其同伦不变性获得了几类方程解的存在性。

The multi-equilibrium may be in existence combined with model,consequently,the game result of both sides is not simply depending on the degree of information symmetry,which makes the army exhume and use the information in reason and in high effect,then enhance the benefit of the weapon equipment repair.

结合具体实例，分析了在性态复杂的信息结构下，可能存在多种均衡，使得双方的博弈结果并不简单地依赖信息对称的程度，有利于军方合理、高效地发掘和利用信息，以提高武器装备修理的效益。

These enzyme existence is big to the lactic dehydrogenase response disturbance.

这些酶的存在对乳酸脱氢酶反应的干扰较大。

Therefore, the existence of periodic solutions for the Hamiltonian system and its equivalent differential delay equation is established.

从而建立哈密顿系统以及与之等价的时滞微分方程的周期解的存在性定理。

In this paper, we study the existence of solutions for high-order ordinary differential equation systems and delay differential equations, subject to different conditions.

本文研究高阶非线性常微分方程组和高阶非线性时滞微分方程在不同的假设条件下正解的存在性和多重性。

The existence of periodic solutions of a neutral integro-differential equation with infinite delay was studied.

摘要本文考虑具无穷时滞中立型积分微分方程周期解的存在性。

Finally, the Knight strung a line between two of the monoliths and tied the horses up there.

最后，骑士们在两颗巨石之间拉了一条绳子，将他们的座骑绑在上面。

T7zN/hyS0 The island lies south by east from here.

那个岛位于此地的正南偏东方向。