CLOSE-TO-CONVEXITY OF QUASIHYPERBOLIC AND j-METRIC BALLS
: Klén Riku
Publisher: SUOMALAINEN TIEDEAKATEMIA
: 2010
: Annales Academiae Scientiarum Fennicae. Mathematica
: ANNALES ACADEMIAE SCIENTIARUM FENNICAE-MATHEMATICA
: ANN ACAD SCI FENN-M
: 2
: 35
: 2
: 493
: 501
: 9
: 1239-629X
DOI: https://doi.org/10.5186/aasfm.2010.3530
: http://www.acadsci.fi/mathematica/Vol35/vol35pp493-501.pdf
We consider close-to-convexity of the metric balls defined by the quasihyperbolic metric and the j-metric. We show that the j-metric balls with small radii are close-to-convex in general subdomains of R(n) and the quasihyperbolic balls with small radii are close-to-convex in the punctured space.