# Open Problems talk:72

Revision as of 18:39, 18 January 2016 by Krzysztof Onak (talk | contribs) (Krzysztof Onak moved page Waiting talk:Qin to Open Problems talk:72 without leaving a redirect: Moving to main list of problems)

Clément: Not clear to me from glancing at the paper (http://homes.soic.indiana.edu/qzhangcs/papers/pods15-join.pdf, Section 3.1) if $C$ is a Boolean matrix or an integer-valued one ($A$ and $B$ are Boolean, but the product $C$ seems to be taken in $\mathbb{Z}$).