OP-00540 Open A closed nonplanar totally integrable wire billiard in three-space DS · AIM Open Applied Problems · integrable billiards · twist maps · wire billiards
OP-00543 Open Are all totally integrable outer-length billiards ellipses? DS · AIM Open Applied Problems · integrable billiards · outer length billiards
OP-00552 Solution claimed Rigidity of a totally integrable Minkowski billiard in its own unit ball DS · AIM Open Applied Problems · integrable billiards · Minkowski billiards · twist maps
OP-00564 Open Circular rigidity of totally integrable strong-field magnetic billiards DS · AIM Open Applied Problems · integrable billiards · magnetic billiards