壳上簇的层化:非平面壳上图的几何
高能物理 - 理论
2016-11-03 v2
摘要
最大超对称杨-米尔斯理论中壳上图与Grassmannian中簇簇之间的对应在超出平面极限后很大程度上未被探索。在本文中,我们描述了一个系统性方案来考察此类“壳上簇”,并借此给出情形的完整分类。具体而言,我们在中发现恰好24个拓扑维数簇和10个余维一簇——直至外腿的宇称和重标。我们利用此案例阐明非平面簇相对于positroids情形的一些新颖之处,并描述我们预期更普遍成立的一些特征。
引用
@article{arxiv.1607.01781,
title = {Stratifying On-Shell Cluster Varieties: the Geometry of Non-Planar On-Shell Diagrams},
author = {Jacob L. Bourjaily and Sebastian Franco and Daniele Galloni and Congkao Wen},
journal= {arXiv preprint arXiv:1607.01781},
year = {2016}
}
备注
35 pages, 70 figures, and 1 table; also included is a file with explicit details for our classification. Signs corrected in two residue theorems, and a new interpretation (and formula) given for the last