Dear colleagues and friends, We would like to draw your attention to the open call for 10 Ph.D. positions for the doctoral program in "Mathematics in Natural, Social and Life Sciences" at the Gran Sasso Science Institute (GSSI) in L’Aquila (Italy). Please find further details in the official call, available on this page <http://www.gssi.it/phd/>, or the related MathJobs post <https://www.mathjobs.org/jobs/list/27643>. The application deadline is January 13, 2026 (at 3 pm CET). Applications are submitted through the GSSI application portal <http://www.gssi.it/phd/>. The start date of the Ph.D. program is November 1, 2026. We would be grateful if you could circulate this announcement among potentially interested candidates. Please also find at this link <https://gssi.it/communication/news-events/item/download/5481_d8411a6c56886124bfc995bfb49c7f2b> a printable version of our program flyer, which you may share on your Institution’s notice board. For questions and general inquiries, please contact us at applications@gssi.it. Best regards, Serena Cenatiempo Chair of the Ph.D. program in Mathematics (on behalf of the GSSI PhD Governing Board) -------------------------------------------------- Serena Cenatiempo, Prof. Gran Sasso Science Institute Phone: +39 0862 428 0276 Viale Rendina 24 67100 - L'Aquila (Italy) E-Mail: serena.cenatiempo@gssi.it Website: http://www.serenacenatiempo.it/