Dear colleagues and friends, This is a reminder that registration for the 107th Peripatetic Seminar on Sheaves and Logic (PSSL 107) will close on Tuesday 28th of February, whereas 1-page abstracts for talks can be submitted to this e-mail address until this coming Monday 20th of February. http://pssl-107.math.upatras.gr The meeting will be held on the weekend of April 1st-2nd in Athens. Please do not hesitate to contact us if you have any queries. The local organizing committee: Vassilis Aravantinos-Sotiropoulos Panagis Karazeris Petros Stefaneas Kostas Tsamis Christina Vasilakopoulou [For admin and other information see: http://www.mta.ca/~cat-dist/ ]