For a one parameter family of Calabi-Yau threefolds, Green et al.(2009) expressed the total singularities in terms of th......

We attempt to clarify several aspects concerning the recently presented four-dimensional Einstein-Gauss-Bonnet gravity.W......

Parallel manipulator is associated with a set of functions defined by its closure constraints. In this paper, using Lie ......

平面单自由度六杆机构分支和奇异点是研究连杆机构运动连续性的重要指标,针对Stephenson型单自由度平面六杆机构,提出一种识别机构......

文章利用小波分析能准确检测信号奇异点的特征提出了基于小波分析的时差法。该方法能准确检测出故障时刻与差流产生时刻之间的差异......

讨论了Ｒ＾３中三次齐次向量场Ｑ（ｘ）的一些几何性质，特别是这样的向量场诱导出的切向量场ＱＴ（ｘ）在球面Ｓ＾２上的几何结构，如奇点，轨线，异宿 环的几何分布情况......

利用由Ｆｏｕｒｉｅｒ分析得到以公式及相应的数值计算，对船波问题的边界积分方法中自由表面奇点上置的影响进行了讨论，认为奇点上置位置的适当选取......

主要通过定义在指标数为2的5维伪欧氏空间中的3维类时子流形M上的类时高斯映射和类时高度函数,并研究M与管状超曲面CM的奇点分类.......

介绍了具奇性的非线性抛物方程解的存在性、唯一性和性质以及作者在这一领域的工作．...

应用奇点理论方法对三维Minkowski空间内由空间型曲线生成的副法线标型和可展焦曲面的奇点进行了分类,并且研究了在Lorenzian群作......

In this note we give a geometrical presentation to the 4D Riemannian curvature as it relates to the Newtonian gravity in......

<正>The value of a European option satisfies the Black-Scholes equation with appropriately specified final and boundary ......

In this paper we consider operators with endpoint singularities generated by linear fractional Carleman shift in weighte......

It is well-known that Bernstein polynomials are very important in studying the characters of smoothness in theory of app......

Following the idea of our previous paper we distinguish also in the case of Newtonian gravity as in the electrodynamics ......

平行操纵者与一套功能由它的闭合限制定义被联系。在这份报纸，用谎言代数学方法，我们在平行操纵者，他们有闭合功能的第二份订单的关系......

The images of the oceans often inspire us to take a poetic lift of the spirit for an escape from the daily boredom or tr......

The thermal conduction in a thin laminated plate is considered here. The lateral surface of the plate is not regular. Co......

This paper proposes a mathematical formalism for describing the machinery of human mind creativity. Since some functions......

<div style="text-align:justify;"> The analytical expression of the cross-spectral density of partially coherent elegant ......