Contra $$g$$ g - $$\alpha$$ α - and $$g$$ g - $$\beta$$ β -preirresolute functions on GTS’s
نویسندگان
چکیده
منابع مشابه
On the functions with values in [α(G), χ(G)]
Let B(G) = {X : X ∈ Rn×n,X = X , I ≤ X ≤ I + A(G)} and C(G) = {X : X ∈ Rn×n,X = X , I − A(G) ≤ X ≤ I + A(G)} be classes of matrices associated with graph G. Here n is the number of vertices in graph G, and A(G) is the adjacency matrix of this graph. Denote r(G) = minX∈C(G) rank(X), r+(G) = minX∈B(G) rank(X). We have shown previously that for every graph G, α(G) ≤ r+(G) ≤ χ(G) holds and α(G) = r...
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ژورنال
عنوان ژورنال: Mathematical Sciences
سال: 2015
ISSN: 2008-1359,2251-7456
DOI: 10.1007/s40096-015-0152-y