1:00 p.m. Riordan digraphs and their primitivity. Gi-Sang Cheon, Applied Algebra and Optimization Research Center, Sungkyunkwan University
Ji-Hwan Jung*, Applied Algebra and Optimization Research Center, Sungkyunkwan University
Bumtle Kang, Applied Algebra and Optimization Research Center, Sungkyunkwan University
Suh-Ryung Kim, Department of Mathematics Education, Seoul National University
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