locally a Calabi-Yau manifold with singularities which is also taken to be large so that a semiclassical string analysis is valid. As there are singularities, the commutative geometry alone does not describe how these are resolved, and it is here that the non-commutative ...
万方数据弦理论与卡一丘流形的结合冯晓华,高策到一种统一理论将自然界已经发现的不同的力统一起来。牛顿将天体之间的力学与地上的力学统一在和米尔斯�.�甅��,��~���岢龉娣冻±砺�来解决自然界中已经存在的四个基本力:电磁力、强目的
bient manifold and is carried on only for a particular subclass of Lagrangian submanifolds; moreover, there is no explicit reference to the corresponding Maslov class. In this paper we show that, whenever the ambient manifold is Calabi-Yau, ...
4 把四个曲面片画到一起：n = 2;Show[Table[calabi[0, n, k, g], {k, 0, n - 1}, {g, 0, n - 1}], PlotRange -> All]5 这个整体的图形，就是2次Calabi–Yau流形：6 3次Calabi–Yau流形如下：7 5次Calabi–Yau流形如下：
void x1(){ for(i=1;i<3;i++) for(j=1;j<3;j++) for(k=1;k<3;k++)} void y1(){ for(l=1;-1<l<0&&0<l<2;l++||l--) for(m=1;-2<m<0&&0<m<2;m++||m--) for(n=0;-2<n<0&&0<n<2;n++||n--)} void z1(){ ...
卡拉比-丘流形Calabi-Yau manifold Posted on 2011 年 12 月 05 日 弦理论(string theory)认为,自然界的基本粒子和基本作用力是极小微小的“弦”振动的结果,人类生活在有十维空间的宇宙中,但日常生活中只能感知四维空间,另外六维空间则以奇妙结构卷藏在宇宙中,这个结构就是被丘成桐证明的“卡拉比-丘流形”。卡拉比...
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An important class of manifolds permitting N = 1 supersymmetry in four dimension are the Calabi–Yau manifolds [1]. For a gauge hierarchy solution at least one supersymmetry is needed, however for the chiral nature of the SM fermions it is restricted to exactly one supersymmetry....
Yau and E. Zaslow, Local mirror symmetry: Calculations and interpretations, Adv. Theor. Math. Phys. 3 (1999) 495 [hep-th/9903053] [INSPIRE]. Article MathSciNet MATH Google Scholar S.T. Yau, On the Ricci curvature of a compact Kähler manifold and the complex Monge-Ampère equation. ...
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