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math.CO2021
Intrinsically spherical 3-linked graphs
Madeleine Burkhart, Andrew Castillo, Jonathan Doane +2
We exhibit several families of planar graphs that are minor-minimal intrinsically spherical -linked. A graph is intrinsically spherical 3-linked if it is planar graph that has,…
math.CO2021
Graphs that are minor minimal with respect to dimension
Thomas Giardina, Joel Foisy
Erdős, Harary, and Tutte defined the dimension of a graph as the smallest natural number such that can be embedded in with each edge a straight line segm…