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Zero forcing sets and minimum rank of graphs
Barioli,Francesco ; Barrett,Wayne ; Butler,Steve ; Cioabǎ,S.M. ; Cvetković,D. ; Fallat,Shaun M. ; Godsil,Chris D. ; Haemers,W.H. ; Hogben,Leslie ; Mikkelson,Rana ... show 8 more
Barioli,Francesco
Barrett,Wayne
Butler,Steve
Cioabǎ,S.M.
Cvetković,D.
Fallat,Shaun M.
Godsil,Chris D.
Haemers,W.H.
Hogben,Leslie
Mikkelson,Rana
Abstract
The minimum rank of a simple graph G is defined to be the smallest possible rank over all symmetric real matrices whose ijth entry (for i /= j ) is nonzero whenever {i, j } is an edge in G and is zero otherwise. This paper introduces a new graph parameter, Z(G), that is the minimum size of a zero forcing set of vertices and uses it to bound the minimum rank for numerous families of graphs, often enabling computation of the minimum rank.
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Date
2008
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Keywords
minimum rank, rank, graph, symmetric matrix, matrix
Citation
Barioli, F, Barrett, W, Butler, S, Cioabǎ, S M, Cvetković, D, Fallat, S M, Godsil, C D, Haemers, W H, Hogben, L, Mikkelson, R, Narayan, S K, Pryporova, O, Sciriha, I, So, W, Stevanovic, D, van der Holst, H, Vander Meulen, K & Wangsness Wehe, A 2008, 'Zero forcing sets and minimum rank of graphs', Linear Algebra and its Applications, vol. 428, no. 7, pp. 1628-1648.
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info:eu-repo/semantics/openAccess
