• Kyungpook Mathematical Journal
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• 제56권3호
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• pp.683-714
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• 2016

In this paper we investigate the toroidality of the comaximal graph of a finite lattice.

• Kyungpook Mathematical Journal
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• 제58권3호
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• pp.433-451
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• 2018

In this paper, we study the toroidality of the comaximal graphs of a finite lattice.

• Kyungpook Mathematical Journal
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• 제60권2호
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• pp.349-359
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• 2020

We study perfect 2-colorings of regular graphs. In particular, we consider the 4-regular case. We obtain a characterization of perfect 2-colorings of toroidal grids.