JournalspmVol. 75, No. 1Volume 75, No. 1 (2018) Portugaliae Mathematicapp. 1–10On minimal Hölder gaps and Shannon entropy balanceImmanuel M. Bomzepp. 11–65Ricci flow on cone surfacesDaniel Ramospp. 67–78Bitangents of non-smooth tropical quarticsHeejong LeeYoav Len