View a PDF of the paper titled Flip Distance of Triangulations of Convex Polygons / Rotation Distance of Binary Trees is NP-complete, by Joseph Dorfer
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ETKDGv3 distance geometry — Random distance matrices embedded in 3D, refined with experimental torsion preferences from the Cambridge Structural Database，更多细节参见夫子
Imagine we erase the first row and first column of . We’ll call
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