Barycentric subdivision of triangles and semigroups of Mobius maps
Barycentric subdivision of triangles and semigroups of Mobius maps
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DOI:
10.1112/s0025579300011669
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发表时间:
1996-06
期刊:
影响因子:
0.8
通讯作者:
I. Bárány;A. Beardon;T. K. Carne
中科院分区:
文献类型:
--
作者:
I. Bárány;A. Beardon;T. K. Carne
The following question of V. Stakhovskii was passed to us by N. Dolbilin [4]. Take the barycentric subdivision of a triangle to obtain six triangles, then take the barycentric subdivision of each of these six triangles and so on; is it true that the resulting collection of triangles is dense (up to similarities) in the space of all triangles? We shall show that it is, but that, nevertheless, the process leads almost surely to a flat triangle (that is, a triangle whose vertices are collinear).