On the Approximability of Multistage Min-Sum Set Cover. - Dimitris Fotakis 001; Panagiotis Kostopanagiotis; Vasileios Nakos; Georgios Piliouras; Stratis Skoulakis (ICALP, 2021)

Reallocating multiple facilities on the line. - Dimitris Fotakis 001; Loukas Kavouras; Panagiotis Kostopanagiotis; Philip Lazos; Stratis Skoulakis; Nikos Zarifis (Theor. Comput. Sci., 2021)