On edge Co-PI indices

Arjomandfar, A.; Khormali, O.

Manuscript ID : 2181 Visit : 73 Page: 59 - 64

Article Type: Original Research

On edge Co-PI indices

Subject Areas : International Journal of Industrial Mathematics

A. Arjomandfar ¹ (Islamic Azad University, Shahr-e Rey Branch, Tehran, Iran.)
O. Khormali ² (Mathematics and Informatics Research Group, ACECR, Tarbiat Modares University, B.O. Box: 14115- 343, Tehran, Iran.)

Received: 2013-11-14 Accepted : 2013-11-14 Published : 2014-01-01

Keywords: Vertex-PI index- Edge-PI indic, Molecular graph, Vertex Co-PI indices,

Abstract :

In this paper, at first we mention to some results related to PI and vertex Co-PI indices and then we introduce the edge versions of Co-PI indices. Then, we obtain some properties about these new indices.

References:

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On edge Co-PI indices