Cohen-Wu同态映象的单射性
综合经济学
2025-07-15 v1 经济学
摘要
我们给出一种新颖的初等证明,证明从Milnor构造到纯 braid 群的自然映像是单射的。我们的做法是群论性的,不依赖李代数。
引用
@article{arxiv.2507.09635,
title = {Selective Newsvendor Problem with Dependent Leadtime and Joint Marketing Decisions},
author = {Jianing Zhi and Guanqiu Qi and Xinghua Li},
journal= {arXiv preprint arXiv:2507.09635},
year = {2025}
}