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math.GT2024
Invariants of almost embeddings of graphs in the plane
E. Alkin, A. Miroshnikov, A. Skopenkov
A graph drawing in the plane is called an almost embedding if the images of any two non-adjacent simplices (i.e. vertices or edges) are disjoint. Almost embeddings (more precisely,…
math.CO2024
Invariants of almost embeddings of graphs in the plane: results and problems
E. Alkin, E. Bordacheva, A. Miroshnikov +2
A graph drawing in the plane is called an almost embedding if images of any two non-adjacent simplices (i.e. vertices or edges) are disjoint. We introduce integer invariants of alm…