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math.GT2022
Note on primitive disk complexes
Sangbum Cho, Jung Hoon Lee
Given a Heegaard splitting of the -sphere, the primitive disk complex is defined to be the full subcomplex of the disk complex for one of the handlebodies of the splitting. It i…
math.GT2022
Linearly Free Graphs
Youngsik Huh, Jung Hoon Lee
In this paper we are interested in an intrinsic property of graphs which is derived from their embeddings into the Euclidean 3-space . An embedding of a graph into $\…