Figure 2
From: A Variable Neighbourhood Descent Heuristic for Conformational Search Using a Quantum Annealer

Example of a 2-torsion-dependent set of edges in a rigid-body graph (left). The star graph G′ (right) results from selecting a 2-torsion-dependent set \({\mathscr{T}}^{\prime} \) (dashed lines) and contracting all edges not in \({\mathscr{T}}^{\prime} \).