Stasys Jukna. Entropy of operators or why matrix multiplication is hard for small depth circuits. Electronic Colloquium on Computational Complexity (ECCC), 15(019), 2008. [doi]
@article{Jukna08,
title = {Entropy of operators or why matrix multiplication is hard for small depth circuits},
author = {Stasys Jukna},
year = {2008},
url = {http://eccc.hpi-web.de/eccc-reports/2008/TR08-019/index.html},
researchr = {https://researchr.org/publication/Jukna08},
cites = {0},
citedby = {0},
journal = {Electronic Colloquium on Computational Complexity (ECCC)},
volume = {15},
number = {019},
}