イチシマ リキオ ICHISHIMA Rikio
一島 力男
所属 体育学部 体育学科
職種 教授
言語種別 英語
発行・発表の年月 2024
形態種別 学術雑誌
査読 査読あり
標題 Recent studies on the super edge-magic deficiency of graphs
執筆形態 共著
掲載誌名 Theory and Applications of Graphs
掲載区分 国外
出版社・発行元 Discrete Mathematics and Combinatorics Commons
巻・号・頁 11(1),1-11
総ページ数 11
担当区分 筆頭著者 , 責任著者
国際共著 国際共著
著者・共著者 Rikio Ichishima, Susana C. Lopez, Francesc Muntaner, Yukio Takahashi
概要 In this paper, we introduce the
parameter l(n) as the minimum size of a graph G of order n for which all graphs of
order n and size at least l(n) have µs (G) = +∞, and provide lower and upper bounds
for l(n). Imran, Baig, and Fe˘nov˘c´ıkov´a established that for integers n with n ≡ 0
(mod 4), µs (Dn) ≤ 3n/2 − 1, where Dn is the cartesian product of the cycle Cn of
order n and the complete graph K2 of order 2. We improve this bound by showing
that µs (Dn) ≤ n + 1 when n ≥ 4 is even. Enomoto, Llad´o, Nakamigawa, and Ringel
posed the conjecture that every nontrivial tree is super edge-magic. We propose a new
approach to attack this conjecture. This approach may also help to resolve another
labeling conjecture on trees by Graham and Sloane.
researchmap用URL https://digitalcommons.georgiasouthern.edu/tag/vol11/iss1/1