@article{CRMATH_2018__356_7_720_0,
     author = {Chang, Jiawei and Lyons, Terry and Ni, Hao},
     title = {Super-multiplicativity and a lower bound for the decay of the signature of a path of finite length},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {720--724},
     publisher = {Elsevier},
     volume = {356},
     number = {7},
     year = {2018},
     doi = {10.1016/j.crma.2018.05.010},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.crma.2018.05.010/}
}