Geometry of Ricci Solitons

来源 :数学年刊B辑(英文版) | 被引量 : 0次 | 上传用户:zzqq1984
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Ricci solitons 一方面是爱因斯坦度量标准的自然归纳,并且在另一方面是哈密尔顿的 Ricci 流动的特殊答案。在这篇论文,我们在他们在 Ricci 流动的奇特学习玩的 Ricci solitons 和角色上调查一些最近的开发。
其他文献
An analytical solution for the three-dimensional scattering and diffraction of plane P-waves by a hemispherical alluvial valley with saturated soil deposits is
The direct conversion of methane using a dielectric barrier discharge has been experimentally studied. Experiments with different values of flow rates and disch
Simultaneous multi-wavelength observations have revealed complex variability in AGNs. To explain the variability we considered a theoretical model consisting of
A new triterpenoid saponin, 21β-angeloylprotoaescigenin-3β-O-[α-L-rhamnopyranosyl(1-3)]β-D-glucopyranosiduronic acid 1, was isolated from the seeds of Aescu
Implicit surfaces are often used in computer graphics. They can be easily modeled and rendered, and many objects are composed of them in our daily life. In this
Graft copolymers of sodium alginate (SA) with acrylamide (AM) were synthesized using aceric ion initiated solution polymerization technique. The acrylamide conv
In this paper we propose a unified variational image editing model. It interprets image editing as a variational problem concerning the adaptive adjustments to
A novel galactosylated cholesterol with mono-galactoside moiety, (5-cholesten-3-yl)4-oxo-4-[2-(lactobionylamido)ethylamido]butanoate 6 was synthesized. Its chem
We identify R7 as the pure imaginary part of octonions. Then the multiplication in octonions gives a natural almost complex structure for the unit sphere S6. It
In this article, the authors describe the largest congruence induced by a kernel ideal of an MS-algebra and characterize those MS-algebras on which all the cong