Bounds for quasiconformal distortion functions

: Qiu S., Vamanamurthy M., Vuorinen M.

: 1997

: Journal of Mathematical Analysis and Applications

: 205

: 1

: 43

: 64

: 22

: 0022-247X

DOI: https://doi.org/10.1006/jmaa.1996.5205

: http://api.elsevier.com/content/abstract/scopus_id:0030609319

Several new inequalities are proved for the distortion function φ(r) appearing in the quasiconformal Schwarz lemma. Other related special functions are studied and applications are given to quasiconformal maps in the plane. Some open problems are solved, too. © 1997 Academic Press.