Maximum number of almost similar triangles in the plane
Maximum number of almost similar triangles in the plane
复制标题
平面内几乎相似三角形的最大数量
DOI:
10.1016/j.comgeo.2022.101880
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
Lidický, Bernard
中科院分区:
文献类型:
--
作者:
Balogh, József;Clemen, Felix Christian;Lidický, Bernard
A triangle T′ is ε-similar to another triangle T if their angles pairwise differ by at most ε. Given a triangle T, ε> 0 and n∈ N, Bárány and Füredi asked to determine the maximum number of triangles h (n, T, ε) being ε-similar to T in a planar point set of size n. We show that for almost all triangles T there exists ε= ε (T)> 0 such that h (n, T, ε)=(1+ o (1)) n 3/24. Exploring connections to hypergraph Turán problems, we use flag algebras and stability techniques for the proof.
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影响因子:
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