M. Can, Y. Cherniavsky, M. Rubey:
"A geometric interpretation of the intertwining number";
Electronic Journal of Combinatorics, 26 (2019), 2.
https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i2p7/7820
Project Head Martin Rubey:
Das Phänomen des zyklischen Siebens