2 papers
math.DS2021
Rigidity for circle diffeomorphisms with breaks satisfying a Zygmund smoothness condition
H. A. Akhadkulov, A. A. Dzhalilov, K. M. Khanin
Let and be two circle diffeomorphisms with a break point, with the same irrational rotation number of bounded type, the same size of the break and satisfying a…
math.DS2013
Nonrigidity of piecewise-smooth circle maps
Habibulla Akhadkulov, Akhtam Dzhalilov, Mohd Salmi Md. Noorani
Let be piecewise-smooth circle homeomorphisms with two break points, are absolutely continuous on each continuity intervals of $Df_{…