Recently discovered tools to study analytic hyperbolic geometry in terms of analogies with analytic Euclidean geometry are presented and employed. Special attention is paid to the study of two novel hyperbolic triangle centers that we call hyperbolic Cabrera points of a hyperbolic triangle and to the way they descend to their novel Euclidean counterparts. The two novel hyperbolic Cabrera points are the (1) Cabrera gyrotriangle ingyrocircle gyropoint and the (2) Cabrera gyrotriangle exgyrocircle gyropoint. Accordingly, their Euclidean counterparts to which they descend are the two novel Euclidean Cabrera points, which are the (1) Cabrera triangle incircle point and the (2) Cabrera triangle excircle point.
CITATION STYLE
Ungar, A. A. (2016). Novel tools to determine hyperbolic triangle centers. In Essays in Mathematics and its Applications: In Honor of Vladimir Arnold (pp. 563–663). Springer International Publishing. https://doi.org/10.1007/978-3-319-31338-2_18
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