1.ONTHECOMPLEXITYOFFULLERENES ANDNANOTUBES1 ′ˇ′ MilanRandic,XiaofengGuo,DejanPlavsicandAlexandru T.Balaban 1.Introduction............................1 2.OntheComplexityoftheComplexityConcept.........3 3.ComplexityandBranching....................4 4.ComplexityofSmallerM