In 1956, Milnor produced a result that other mathematicians immediately recognized as a masterpiece for the ages: proving the existence of "exotic" 7-dimensional spheres.
1956年,米尔·诺尔证明了奇异的7维球体的存在,其他数学家立刻认识到这一成果是时代的杰作。
The present paper studied the global existence of nonnegative solutions of one-dimensional Newtonian filtration equation with more general boundary fluxes term, reaction, diffusion and convection.
讨论具有一般形式的对流项、扩散项、边界流项以及反应项的一维牛顿渗流方程初边值问题非负解的整体存在性。
For the three-dimensional consolidation effect impersonal existence of roadbed and the horizontal thrust from stresses re-distribution of embankment, soil lateral deformation should not be neglected.
软土路基中三维固结效应以及路堤的应力重分布产生的水平推力,引起的侧向变形是不容忽视的。
FTIR spectra of drug-containing PMMA film confirmed the existence of the interaction and the potential applications of two-dimensional UV correlation spectroscopy in drug release have been confirmed.
复方载药膜的红外光谱证明了这种相互作用的存在,验证了二维紫外相关光谱在药物缓释领域的潜在应用价值。
A study is made on the existence and the uniqueness of periodic solution to a class of higher dimensional periodic differential systems with distributed delay.
研究一类具有分布滞量的高维周期微分系统周期解的存在性和唯一性。
Therefore the use of one-dimensional bar codes and had to rely on the existence of the database.
故一维条码的使用,不得不依赖数据库的存在。
Particularly, we give the problem of existence of periodic solution of two-dimensional singular differential equation with delay, and give an example to illustrate the main results of this paper.
特别地,我们给出二维退化滞后微分方程的周期解的存在性问题,并在最后举例说明其应用。
Particularly, we give the problem of existence of periodic solution of two-dimensional singular differential equation with delay, and give an example to illustrate the main results of this paper.
特别地,我们给出二维退化滞后微分方程的周期解的存在性问题,并在最后举例说明其应用。
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