From Wikipedia, the free encyclopedia
The fact that there is no such result for n = 2 is easily shown using the exponential function.
- V.A. Zorich, "The global homeomorphism theorem for space quasiconformal mappings, its development and related open problems", M. Vuorinen (ed.), Quasiconformal Space Mappings, Lecture Notes in Mathematics, 1508 (1992) pp. 132–148