On the ranks and border ranks of tensors and symmetric tensors Feb 6, 2024 J. M. Landsberg and Zach Teitler. On the ranks and border ranks of tensors and symmetric tensors. Found. Comput. Math. 10 (2010), no. 3, 339-366 arXiv: https://arxiv.org/abs/0901.0487 doi: 10.1007/s10208-009-9055-3