A generalization of Cauchy-Khinchin-van Dam inequality

Baozhi Sun, Zhixi Wang, Lijun Zhao, Hari M. Srivastava
2017 Cogent Mathematics  
We first give an alternative proof of a theorem originally presented by E. R. van Dam. Then we show a generalization of the van Dam matrix inequality.
doi:10.1080/23311835.2017.1295784 fatcat:ixfreka5tngc5mpgmf6lsna474