2 problems

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The complete-join characterization of local antimagic chromatic number
Complete-join characterization. For $n\ge 2$ ,
Conjectureopengraph-coloring join-graphs local-antimagic-labelingarXiv posted 2 days ago
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The join-graph characterization of local antimagic chromatic number
Join characterization. For $n\ge 1$ ,
Conjectureopengraph-coloring join-graphs local-antimagic-labelingarXiv posted 2 days ago