Abstract
We study the interior angle sums of translation and geodesic triangles in the
universal cover of real 2 x 2 matrices with unit determinant, as, a Thurston
geometry denoted by P of SL2(R)~ geometry. We prove that the angle sum ?3i
=1(?i) ? ? for translation triangles and for geodesic triangles the angle
sum can be larger, equal or less than ?.
Publisher
National Library of Serbia
Cited by
7 articles.
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