The paper “Hadamard’s inequality in the mean“, co-authored by Jonathan Bevan, Martin Kružík (Czech Academy of Sciences) and Jan Valdman (Johannes Kepler University Linz), has been accepted for publication in Nonlinear Analysis. The final form arXiv version can be found here. The first screenshot below shows the abstract, and the second image shows Figure 5.5 from the paper. Click on the image to enlarge. The work in the paper was supported by a Royal Society International Exchange Grant IEES R3 193278.