6533b86cfe1ef96bd12c7f49

RESEARCH PRODUCT

Mappings of finite distortion: a new proof for discreteness and openness

Xiao ZhongJani Onninen

subject

Distortion functionDiscrete mathematicsGeneral MathematicsDistortionElementary proofComputingMethodologies_DOCUMENTANDTEXTPROCESSINGMathematics

description

We give a new and elementary proof of the known result: a non-constant mapping of finite distortion f : Ω ⊂ ℝn → ℝn is discrete and open, provided that its distortion function if n = 2 and that for some p > n − 1 if n ≥ 3.

https://doi.org/10.1017/s0308210506000825