Volume 56 (2006) number 2

Editorial

Computer Chemistry

• A. Mauri, V. Consonni, M. Pavan, R. Todeschini: DRAGON Software: An Easy Approach to Molecular Descriptor Calculations, pp. 237-248
• J. Gao, X. Zhang: Similarity Analysis of RNA Secondary Structures Based on 4D Representation, pp. 249-259
• C. Podlipnik, T. Solmajer, J. Koller: Similarity of Radial Distribution Function’s Intervals, pp. 261-270
• M. R. Darafsheh, A. Darafsheh: Computation of the Character Table for p-Xylene, pp. 271-278

Mathematical Chemistry

• V. R. Rosenfeld: Using Semigroups in Modeling of Genomic Sequences, pp. 281-290
• S. Siboni, C. Della Volpe: On the Definition of Scales in Van Oss-Chaudhury-Good Acid-Base Theory, pp. 291-316
• A. Iranmanesh, M. Dabirian: Nonrigid Group Theory of Ammonia Tetramer: (NH₃)₄, pp. 317-330
• E. Estrada: On the Dimensionality of Aromaticity Criteria, pp. 331-344
• I. Gutman: Partitioning of pi-Electrons in Rings of Polycyclic Conjugated Molecules Containing Heteroatoms, pp. 345-356
• H. Deng: Wiener Index of Tori Tp,q[C₄,C₈] Covered by C₄ and C₈, pp. 357-374
• B. Zhou, A. Graovac, D. Vukicevic: Variable Wiener Indices of Thorn Graphs, pp. 375-382
• M. Eliasi, B. Taeri: Szeged and Balaban Indices of Zigzag Polyhex Nanotubes, pp. 383-402
• R. Pepper, G. Henry, D. Sexton: Cut-Edges and the Independence Number, pp. 403-408
• L. Pavlovic, M. Stojanovic: Comment on "Solutions to Two Unsolved Questions on the Best Upper Bound for the Randic Index R_-1 of Trees'', pp. 409-414