小官
发表于 2025-3-25 05:19:22
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圣歌
发表于 2025-3-25 08:19:53
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Nonconformist
发表于 2025-3-25 11:50:46
Multiset-Defined Irregular Colorings, We saw that this often requires a large number of colors in comparison with sum-defined vertex colorings described earlier. There is also a related irregular edge coloring for which the induced vertex colors are multisets rather than sets, which is necessarily more restrictive.
lavish
发表于 2025-3-25 19:02:20
Sum-Defined Neighbor-Distinguishing Colorings,-distinguishing vertex colorings. That is, suppose that . for some positive integer . is an unrestricted edge coloring. For each vertex . of ., we assign a color . to . that depends in some way on the colors of the edges incident with ..
Bumble
发表于 2025-3-25 20:05:01
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mitral-valve
发表于 2025-3-26 01:04:48
Elisabeth Brainin,Gerhard Zucker it is possible to color the regions of every map with four or fewer colors in such a way that every two regions having a common boundary are assigned different colors. Later it was seen that this problem could be looked at as a problem in graph theory—whether it is always possible to color the regi
Certainty
发表于 2025-3-26 05:02:19
Neurological and Psychoanalytical Models,uce vertex colorings .. where ..(.) is defined as the sum of the colors of the edges incident with .. Chapter 3 also explored vertex-distinguishing unrestricted edge colorings, where in that chapter the colors were members of some set . of integers modulo . and the induced color of a vertex was once
Heresy
发表于 2025-3-26 11:28:04
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ornithology
发表于 2025-3-26 15:14:24
Locating the Dry Lab on the Lab Map-distinguishing vertex colorings. That is, suppose that . for some positive integer . is an unrestricted edge coloring. For each vertex . of ., we assign a color . to . that depends in some way on the colors of the edges incident with ..
新陈代谢
发表于 2025-3-26 17:54:32
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