Title of article :
Quasiconformal mappings and sharp estimates for the distance to in some function spaces
Author/Authors :
Farroni، نويسنده , , Fernando and Giova، نويسنده , , Raffaella، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 2012
Abstract :
We provide several estimates which involve the distance to L ∞ in some function spaces, the composition operator induced by a quasiconformal mapping and the logarithm of the Jacobian of a quasiconformal mapping. Our results are sharp in the two dimensional case.
Keywords :
Sharp constants , quasiconformal mappings , Functions of bounded mean oscillation , Exponentially integrable functions , composition operator , Distance functional
Journal title :
Journal of Mathematical Analysis and Applications
Journal title :
Journal of Mathematical Analysis and Applications
