‘K + K = 120’ Workshop: Dedicated to László Kálmán and András Kornai on the occasion of their 60th birthdays

László Kálmán and András Kornai, two outstanding linguists who have influenced generations of students and colleagues around the world, celebrated their 60th birthdays in 2017. This collection is a revised and extended version of the online Festschrift K+K=120 published for the occasion in 2017, featuring papers written by their students, friends, collaborators, and other scholars who, by being part of the project, wanted to express their appreciation for András and László.