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Journal:   TRANSACTIONS ON COMBINATORICS   2014 , Volume 3 , Number 3; Page(s) 21 To 33.
 
Paper: 

General Randic Matrix And General Randic Energy

 
 
Author(s):  Gu R., Huang F., Li X.*
 
* CENTER FOR COMBINATORICS, NANKAI UNIVERSITY, TIANJIN, CHINA
 
Abstract: 
Let G be a simple graph with vertex set V (G) = {v1, v2,…, vn} and di the degree of its vertex vi, i=1, 2,…, n. Inspired by the Randic matrix and the general Randic index of a graph, we introduce the concept of general Randic matrix Ra of G, which is defined by (Ra) i, j= (didj) a if vi and vj are adjacent, and zero otherwise. Similarly, the general Randic eigenvalues are the eigenvalues of the general Randic matrix, the greatest general Randic eigenvalue is the general Randic spectral radius of G, and the general Randic energy is the sum of the absolute values of the general Randic eigenvalues. In this paper, we prove some properties of the general Randic matrix and obtain lower and upper bounds for general Randic energy, also, we get some lower bounds for general Randic spectral radius of a connected graph. Moreover, we give a new sharp upper bound for the general Randic energy when a= -1/2.
 
Keyword(s): GENERAL RANDIC MATRIX, GENERAL RANDIC ENERGY, EIGENVALUES, SPECTRAL RADIUS
 
 
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APA: Copy

GU, R., & HUANG, F., & LI, X. (2014). GENERAL RANDIC MATRIX AND GENERAL RANDIC ENERGY. TRANSACTIONS ON COMBINATORICS, 3(3), 21-33. https://www.sid.ir/en/journal/ViewPaper.aspx?id=410259



Vancouver: Copy

GU R., HUANG F., LI X.. GENERAL RANDIC MATRIX AND GENERAL RANDIC ENERGY. TRANSACTIONS ON COMBINATORICS. 2014 [cited 2022August14];3(3):21-33. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=410259



IEEE: Copy

GU, R., HUANG, F., LI, X., 2014. GENERAL RANDIC MATRIX AND GENERAL RANDIC ENERGY. TRANSACTIONS ON COMBINATORICS, [online] 3(3), pp.21-33. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=410259.



 
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