Volume 81 (2019) number 2

Review

• A. Ali, L. Zhong, I. Gutman: Harmonic Index and its Generalizations: Extremal Results and Bounds, pp. 249-311

Mathematical Chemistry

• J. Rada, S. Bermudo: Is Every Graph the Extremal Value of a Vertex-Degree-Based Topological Index?, pp. 315-323
• Y. Yao, M. Liu, K. C. Das, Y. Ye: Some Extremal Results for Vertex-Degree-Based Invariants, pp. 325-344
• J. Liu, R. Zheng, J. Chen, B. Liu: The Extremal General Atom-Bond Connectivity Indices of Unicyclic and Bicyclic Graphs, pp. 345-360
• A. Behtoei: Some Relations and Bounds for the General First Zagreb Index, pp. 361-370
• A. Ghalavand, A. R. Ashrafi: Bounds on the Entire Zagreb Indices of Graphs, pp. 371-381
• F. Zhan, Y. Qiao, J. Cai: Relations Between the First Zagreb Index and Spectral Moment of Graphs, pp. 383-392
• X. Ma: A Low Bound on Graph Energy in Terms of Minimum Degree, pp. 393-404
• I. Milovanovic, E. Milovanovic, E. Glogic, M. Matejic: On Kirchhoff Index, Laplacian Energy and Their Relations, pp. 405-418
• K. C. Das, I. Gutman: Comparing Laplacian Energy and Kirchhoff Index, pp. 419-424
• F. Huang, J. Liu: Bipartite Graphs with Extremal Matching Energies with Given Matching Number, pp. 425-442
• S. Sorgun, H. Kucuk, N. Kartal: Some Results on Constructing of Graphs Which Have the Same Randic Energy, pp. 443-452
• K. C. Das: Conjectures on Resolvent Energy of Graphs, pp. 453-464
• S. Akbari, A. H. Ghodrati, I. Gutman, M. A. Hosseinzadeh, E. V. Konstantinova: On Path Energy of Graphs, pp. 465-470
• S. Akbari, A. H. Ghodrati, M. A. Hosseinzadeh, S. S. Akhtar: On the Path Energy of Bicyclic Graphs, pp. 471-484
• H. Hosoya: Dormant and Sprouts Generating Isospectral Tree Graphs. II. Theory, pp. 485-504
• G. De Ita Luna, J. R. Marcial-Romero, J. A. Hernandez-Servin: Extremal Polygonal Arrays for the Merrifield-Simmons Index, pp. 505-522