四维地理学与超共形对称
Four-manifold geography and superconformal symmetry
摘要:
一个紧定向4-流形被定义为“超共形简单型”,如果在基本类中的某些多项式(使用Seiberg-Witten不变量构造)相同地消失。证明了$b_2^+>1$的所有已知四维流形都是超共形单型的,并且超共形单型四维流形的数值不变量满足Noether不等式的推广.我们勾勒出这些现象是如何通过某些四维超共形量子场论的存在来预测的。
英文摘要:
A compact oriented 4-manifold is defined to be of ``superconformal simple type'' if certain polynomials in the basic classes (constructed using the Seiberg-Witten invariants) vanish identically. We show that all known 4-manifolds of $b_2^+>1$ are of superconformal simple type, and that the numerical invariants of 4-manifolds of superconformal simple type satisfy a generalization of the Noether inequality. We sketch how these phenomena are predicted by the existence of certain four-dimensional superconformal quantum field theories.
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