The Extremal Permanental Sum for a Quasi-Tree Graph
Let G be a graph and A(G) the adjacency matrix of G. The permanent of matrix (xI-A(G)) is called the permanental polynomial of G. The permanental sum of G is the sum of the absolute values of the coefficients of permanental polynomial of G. Computing the permanental sum is #p-complete. In this note,...
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Main Authors: | Tingzeng Wu, Huazhong Lü |
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Format: | Article |
Language: | English |
Published: |
Wiley
2019-01-01
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Series: | Complexity |
Online Access: | http://dx.doi.org/10.1155/2019/4387650 |
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