Volume 54 (2005) number 2

Editorial

• S. Fujita: Orbits in a Molecule. A Novel Way of Stereochemistry Through the Concepts of Coset Representations and Sphericities (Part 1), pp. 251-300
• A. Kerber, R. Laue, M. Meringer, C. Ruecker: Molecules in Silico: Potential versus Known Organic Compounds, pp. 301-312
• M. J. Bucknum, E. A. Castro: Towards an Empirical Relation between the Elementary Polygonal Circuit Area and the Topological Form Index, l, in the Polyhedra and 2- and 3-Dimensional Structures, pp. 313-330
• M. R. Darafsheh, Y. Farjami, A. R. Ashrafi: Symmetries of Weighted Complete Graphs of Tetranitrocubane and Octanitrocubane, pp. 331-340
• B. Hollas: On the Variance of Topological Indices that Depend on the Degree of a Vertex, pp. 341-350
• S. K. Simic, D. V. Tosic: The Index of Trees with Specified Maximum Degree, pp. 351-362
• W. Lin, X. Guo, H. Li: On the Extremal Energies of Trees with a Given Maximum Degree, pp. 363-378
• F. Li, B. Zhou: Minimal Energy of Bipartite Unicyclic Graphs of a Given Bipartition, pp. 379-388
• X. Li, H. Zhao, I. Gutman: On the Merrifield-Simmons Index of Trees, pp. 389-402
• J. A. Rodriguez, J. M. Sigarreta: On the Randic Index and Conditional Parameters of a Graph, pp. 403-416
• H. Li, M. Lu: The m-Connectivity Index of Graphs, pp. 417-423
• Y. Hu, X. Li, Y. Shi, T. Xu, I. Gutman: On Molecular Graphs with Smallest and Greatest Zeroth-Order General Randic Index, pp. 425-434
• H. Lu, B. Zhou: Lower Bounds for the Randic index (R_-1) of Trees, pp. 435-440
• Y. Hu, X. Li, Y. Yuan: Solutions to Two Unsolved Questions on the Best Upper Bound for the Randic Index (R_-1) of Trees, pp. 441-454
• B. Wu, L. Zhang: Unicyclic Graphs with Minimum General Randic Index, pp. 455-464
• X. Pan, H. Liu, J. Xu: Sharp Lower Bounds for the General Randic Index of Trees with a Given Size of Matching, pp. 465-480
• R. Merris, Combinatorics (Review by G. Orr), pp. 481-484