Extremal values of vertex-degree-based topological indices of chemical trees

作者：

Highlights：

• Extremal values of vertex-degree based topological indices over chemical trees.

• Unification of results in extremal values of VDB topological indices over chemical trees.

• Maximal subtree operations to find extremal values of VDB topological indices.

• Exponential VDB topological indices and its extremal values.

摘要

•Extremal values of vertex-degree based topological indices over chemical trees.•Unification of results in extremal values of VDB topological indices over chemical trees.•Maximal subtree operations to find extremal values of VDB topological indices.•Exponential VDB topological indices and its extremal values.

论文关键词：Vertex-degree-based topological indices,Chemical trees,Maximal subtree operation,Exponential vertex-degree-based topological indices

论文评审过程：Received 17 December 2019, Revised 31 March 2020, Accepted 5 April 2020, Available online 19 April 2020, Version of Record 19 April 2020.

论文官网地址：https://doi.org/10.1016/j.amc.2020.125281