A rigid, irreducible Fuchsian linear q-difference equation can be reduced to a 1st order equation by integral transformations

Hidetaka Sakai

http://www.birs.ca/events/2016/5-day-workshops/16w5027/videos/watch/201610040949-Sakai.html

Birs- 16w5027: Painleve Equations and Discrete Dynamics