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给三角形和矩形上色

IF 0.2 Q4 MATHEMATICS
Commentationes Mathematicae Universitatis Carolinae Pub Date : 2023-11-13 DOI:10.14712/1213-7243.2023.020
Jindrich Zapletal
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引用次数: 1

摘要

在给定的欧几里德空间中，矩形超图具有可数的色数，而在二维欧几里德空间中，等边三角形超图不具有可数的色数，ZF+DC成立是一致的。
本文章由计算机程序翻译，如有差异，请以英文原文为准。
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Coloring triangles and rectangles
It is consistent that ZF+DC holds, the hypergraph of rectangles on a given Euclidean space has countable chromatic number, while the hypergraph of equilateral triangles in two-dimensional Euclidean space does not.
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来源期刊
Commentationes Mathematicae Universitatis Carolinae
Commentationes Mathematicae Universitatis Carolinae MATHEMATICS-
CiteScore
0.60
自引率
0.00%
发文量
19
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