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2008
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15 years 1 months ago
Connectivity in frame matroids
We discuss the relationship between the vertical connectivity of a biased graph and the Tutte connectivity of the frame matroid of (also known as the bias matroid of ).
Daniel C. Slilaty, Hongxun Qin
DM
2008
58views more  DM 2008»
15 years 1 months ago
A two-parameter family of an extension of Beatty sequences
Beatty sequences n + are nearly linear, also called balanced, namely, the absolute value of the difference D of the number of el
Shiri Artstein-Avidan, Aviezri S. Fraenkel, Vera T...
83
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DM
2008
88views more  DM 2008»
15 years 1 months ago
Degree sequence and supereulerian graphs
A sequence d = (d1, d2,
Suohai Fan, Hong-Jian Lai, Yehong Shao, Taoye Zhan...
DM
2008
62views more  DM 2008»
15 years 1 months ago
Classification of some strongly regular subgraphs of the McLaughlin graph
By means of an exhaustive computer search we have proved that the strongly regular graphs with parameters (v, k, ,
Jan Degraer, Kris Coolsaet
DM
2008
123views more  DM 2008»
15 years 1 months ago
Graphic sequences with a realization containing a generalized friendship graph
: Gould, Jacobson and Lehel (Combinatorics, Graph Theory and Algorithms, Vol.I (1999) 451
Jian-Hua Yin, Gang Chen, John R. Schmitt