Ricci-flat Graphs with Girth Four
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DOI: 10.1007/s10114-021-9546-y
Abstract: Lin-Lu-Yau introduced an interesting notion of Ricci curvature for graphs and obtained a complete characterization for all Ricci-flat graphs with girth at least five [1]. In this paper, we propose a concrete approach to construct… read more here.
Keywords: flat graphs; ricci flat; girth four; graphs girth ... See more keywords