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Upper bounds on Roman domination numbers of graphs |
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| Authors: | Chun-Hung Liu Gerard Jennhwa Chang |
| Affiliation: | 1. Department of Mathematics, National Taiwan University, Taipei 10617, Taiwan;2. Taida Institute for Mathematical Sciences, National Taiwan University, Taipei 10617, Taiwan;3. National Center for Theoretical Sciences, Taipei Office, Taipei, Taiwan;4. School of Mathematics, Georgia Institute of Technology, Atlanta, GA 30332, USA |
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