Application Of Braid Groups In 2d Hall System Physics: Composite Fermion Structure - Jacak, Janusz (Wroclaw Univ Of Tech, Poland) a Gonczarek, Ryszard (Wroclaw Univ Of Tech, Poland) a Jacak, Lucjan (Wroclaw Univ Of Tech, Poland) a Jozwiak, Ireneusz (Wroclaw Univ Of Tech, Poland)