General (α,2)-Path Sum-Connectivirty Indices of One Important Class of Polycyclic Aromatic Hydrocarbons
Abstract
:1. Introduction
1.1. Application Background
1.2. Definitions and Notations
2. Polycyclic Aromatic Hydrocarbons
3. Main Results on the General -Path Sum-Connectivity Indices of
4. The Monotonicity and the Extremal Values of
- For any real number α, we have is strictly increasing with respect to all positive integers n.
- The smallest general -path sum-connectivity index of Polycyclic aromatic hydrocarbons is
5. Conclusions
6. Further Research
Funding
Acknowledgments
Conflicts of Interest
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Wang, H. General (α,2)-Path Sum-Connectivirty Indices of One Important Class of Polycyclic Aromatic Hydrocarbons. Symmetry 2018, 10, 426. https://doi.org/10.3390/sym10100426
Wang H. General (α,2)-Path Sum-Connectivirty Indices of One Important Class of Polycyclic Aromatic Hydrocarbons. Symmetry. 2018; 10(10):426. https://doi.org/10.3390/sym10100426
Chicago/Turabian StyleWang, Haiying. 2018. "General (α,2)-Path Sum-Connectivirty Indices of One Important Class of Polycyclic Aromatic Hydrocarbons" Symmetry 10, no. 10: 426. https://doi.org/10.3390/sym10100426