基金
The project supported by National Natural Science Foundation of China under Grant No. 90403019 Acknowledgments We would like to thank Prof. Kang-Jie Shi for many stimulating discussions. Xie is also grateful to Zhan-Yun Wang, Xiao-Lin Cai, Pei Song, and Jun Feng for their helpful discussions, and especially A-Ping Yang's encouragements.
关键词
混合超粒子
螺旋二元对称
松弛连接
可积性
hybrid superstring, twisted duality symmetry, Lax connection, integrability