251 citations · 827 across the 103 of their papers we have counts for
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math.MG2010★ 9 cited
Apollonian circles and hyperbolic geometry
Riku Klén, Matti Vuorinen
The goal of this paper is to study two basic problems of hyperbolic geometry. The first problem is to compare the hyperbolic and Euclidean distances. The second problem is to find…
math.MG2010
Inclusion relations of hyperbolic type metric balls
Riku Klén, Matti Vuorinen
We will consider inclusion of metric balls defined by the quasihyperbolic, the -metric and the chordal metric. The quasihyperbolic metric and the -metric are considered in ge…