A pair of mathematicians from Egypt has lost their 2012 article in the Journal of the Egyptian Mathematical Society because they reused some of the material from a previous publication.
The article, with the Nabokovian title, “On Humbert matrix functions,” was written by A. Shehata and M. Abul-Dahab. According to the introduction: Continue reading Humbert, Humbert: Duplication topples matrix function paper