subtensors

subtensors

1. plural of subtensor
   • 2015, Haibin Chen, Yannan Chen, Guoyin Li, Liqun Qi, “Positive Semi-definiteness and Extremal H-eigenvalues of Extended Essentially Nonnegative Tensors”, in arXiv‎:

     We first prove that checking positive semi-definiteness of a symmetric extended essentially nonnegative tensor is equivalent to checking positive semi-definiteness of all its condensed subtensors.

• robustness