pentagram

n.

五角星形；

1. I need to learn more about the symbolism of the pentagram.
   我需要学习更多五角星形的象征符号知识。

The pentagram map
The Pentagram Map
The Pentagram Map
The pentagram map and Y-patterns.
The Pentagram Map: A Discrete Integrable System
Integrability of the pentagram map
Integrability of higher pentagram maps
Higher pentagram maps, weighted directed networks, and cluster dynamics
On Generalizations of the Pentagram Map: Discretizations of AGD Flows
Liouville–Arnold integrability of the pentagram map on closed polygons