Displaying similar documents to “Maximal flat antichains of minimum weight.”

Three-variable equations of posets

Jaroslav Ježek (2002)

Czechoslovak Mathematical Journal

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We find an independent base for three-variable equations of posets.

Saturation numbers of books.

Chen, Guantao, Faudree, Ralph J., Gould, Ronald J. (2008)

The Electronic Journal of Combinatorics [electronic only]

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The group Sp10(ℤ) is (2,3)-generated

Vadim Vasilyev, Maxim Vsemirnov (2011)

Open Mathematics

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It is proved that the group Sp10(ℤ) is generated by an involution and an element of order 3.

Deficiency of forests

Sana Javed, Mujtaba Hussain, Ayesha Riasat, Salma Kanwal, Mariam Imtiaz, M. O. Ahmad (2017)

Open Mathematics

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An edge-magic total labeling of an (n,m)-graph G = (V,E) is a one to one map λ from V(G) ∪ E(G) onto the integers {1,2,…,n + m} with the property that there exists an integer constant c such that λ(x) + λ(y) + λ(xy) = c for any xy ∈ E(G). It is called super edge-magic total labeling if λ (V(G)) = {1,2,…,n}. Furthermore, if G has no super edge-magic total labeling, then the minimum number of vertices added to G to have a super edge-magic total labeling, called super edge-magic deficiency...