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math.CO2025
Supports for Outerplanar and Bounded Treewidth Graphs
Rajiv Raman, Karamjeet Singh
We study the existence and construction of sparse supports for hypergraphs derived from subgraphs of a graph . For a hypergraph , a support is a graph on $X…
math.CO2025
On Supports for graphs of bounded genus
Rajiv Raman, Karamjeet Singh
Let be a hypergraph. A support is a graph on such that for each , the subgraph of induced on the elements in is connected. We con…