9 月21 日,香港赛马会助力粤港澳大湾区青少年体育发展计划网球培训,在广州二沙岛训练中心网球馆欢乐开班。广东省体育局副局长、广东省网球协会主席麦良,香港赛马会国内体育
By means of an abstract continuation theorem, the existence criteria are established for the positive periodic solutions of a neutral functional differential eq
A finite difference method is introduced to solve the forward-backward heat equation in two space dimensions. In this procedure, the backward and forward differ
【正】记得前几年,有朋友对我说过:"生活就是这样,出生很容易,活着也很容易。但是生活就很难了。"当时我只是知道,但并不真正理解,而这么多年以来,开始慢慢明白,开始理解了。
在这篇论文,区别基础的一些班被调查并且的几个积极答案一积分的区别上的 Zygmund 的 conjecture 被介绍。
Abstract. The sufficient condition for the existence of 2π-periodic solutions of the following third-order functional differential equations with variable coef
A fishing model with stage structure in inshore and offshore areas is considered.Steady states of the dynamical system representing tishery are derived and thei
幼儿园园本教研是以幼儿园为基地,以全面提高保教质量为目的,以解决保教实践中的问题为起点,选择切实可行的研究方法进行的教育科研实践活动。但是,在实际的园本教研活动中却
It is shown that any fixed point of a Lipschitzian,strictly pseudocontractive muping T on a closed convex subset K of a Banach space X may be approximated by Is