Fig. 3From: Selecting lines for spectroscopic (re)measurements to improve the accuracy of absolute energies of rovibronic quantum statesConstruction of graph \(G'\) from G, of Fig. 2, by contracting the subgraphs \(H_0\), \(H_1\), ..., to single vertices \(h_0, h_1, \dots\), respectively, then contracting the parallel edges to single edgesBack to article page