2 problems

Matching

The complete-join characterization of local antimagic chromatic number
About 8 years old
Complete-join characterization. For $n\ge 2$ ,
opengraph-coloring join-graphs local-antimagic-labeling
05
The join-graph characterization of local antimagic chromatic number
About 8 years old
Join characterization. For $n\ge 1$ ,
opengraph-coloring join-graphs local-antimagic-labeling
08