The "K + K = 120" Festschrift paper:
https://arxiv.org/abs/1712.07447
The "K + K = 120" workshop: http://www.nytud.hu/program/kk120_ws.html
Our slides: https://github.com/jsa-aerial/DMM/blob/master/doc/DMM-Kornai-Talk-Dec2017.pdf
Our video presentation: https://youtu.be/X6GCohQ-LHM