%0 Journal Article %A Martínez, J. Miquel %T An infinite family of counterexamples to a conjecture on positivity %J Rendiconti del Seminario Matematico della Università di Padova %D 2021 %P 205-206 %V 145 %U http://www.numdam.org/articles/10.4171/rsmup/79/ %R 10.4171/rsmup/79 %G en %F RSMUP_2021__145__205_0