| A complete characterization of n-fold L(2, 1)-labeling numbers for trees with diameter at most 6 |
| Received:November 08, 2025 Revised:May 14, 2026 |
| Key Words:
n-fold L(2,1)-labeling span trees diameter
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| Fund Project:Supported by the National Natural Science Foundation of China (Grant No. 12271210) and Scientific Research Foundation of Jimei University (Grant No. Q202201). |
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