A Lower Bound for the Crossing Number of Links in Thickened Surfaces
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DOI: 10.1134/s0037446618060150
Abstract: We introduce the notion of homological multiplicity for an oriented link in a thickened orientable closed surface. Using the notion, we establish some lower bounds for the crossing number of a link in thickened surfaces. read more here.
Keywords: number links; thickened surfaces; crossing number; bound crossing ... See more keywords