کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
9513624 1632467 2005 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Smaller planar triangle-free graphs that are not 3-list-colorable
موضوعات مرتبط
مهندسی و علوم پایه ریاضیات ریاضیات گسسته و ترکیبات
پیش نمایش صفحه اول مقاله
Smaller planar triangle-free graphs that are not 3-list-colorable
چکیده انگلیسی
In 1995, Voigt constructed a planar triangle-free graph that is not 3-list-colorable. It has 166 vertices. Gutner then constructed such a graph with 164 vertices. We present two more graphs with these properties. The first graph has 97 vertices and a failing list assignment using triples from a set of six colors, while the second has 109 vertices and a failing list assignment using triples from a set of five colors.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Discrete Mathematics - Volume 290, Issues 2–3, 28 February 2005, Pages 269-274
نویسندگان
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