Algorithms and Hardness for Geodetic Set on Tree-like Digraphs Florent Foucaud, Narges Ghareghani, Lucas Lorieau, Morteza Mohammad-Noori, Rasa Parvini Oskuei, Prafullkumar Tale arxiv.org/abs/2603.23193 [𝚌𝚜.𝙳𝚂 𝚌𝚜.𝙳𝙼]