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关于Lee猜想的一些结论 被引量:1

Some Results of Lee's Conjecture
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摘要 Lee提出了猜想:对任意正整数n>1及n次对称群S(n)中的任意置换f,路置换图P(Pn,f)都是优美的.讨论了当f=∏l-1k=0(m+4k,m+4k+2)(m+4k+1,m+4k+3)(其中m和l为正整数,且m-1+4l≤n)时,路置换图P(P,f)的优美性. Lee has proposed the conjecture:for any positive integer n〉1 and any permutation f in S(n),the permutation graph P(Pn,f) is graceful.For any integer n〉1 and permutation f in S(n), the gracefulness of the permutation graph P(Pn,f) is discussed if f=∏l1k=0(m+2k,m+2k+1) for any positive integers m and l,and f=^l-1∏k=0(m+4k,m+4k+2)(m+4k+1,m+4k+3) for positive integers m and l,satisfied m-1+4l≤n.
出处 《河北师范大学学报(自然科学版)》 CAS 北大核心 2009年第2期152-154,共3页 Journal of Hebei Normal University:Natural Science
基金 河北省自然科学基金(08M002)
关键词 置换图 优美 Lee猜想 permutation graph graceful Lee's conjecture
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参考文献7

  • 1GALLIAN J A. A Dynamic Survey of Graph Labeling [ EB/OL]. http://www.combinatorics, org, 2007-08-05.
  • 2MAHEO M. Strongly Graceful Grapha [ J ]. Discrete Math, 1980,29 : 39-46.
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同被引文献7

  • 1GOLOMB S W. How to Number a Graph,in Graph Theroy and Computing [M]. New York:Acadmic Press, 1972:23-37.
  • 2GALLIAN J A. A Dynamic Survey of Graph Labeling [J ]. Electronic Journal of Combinatorics, 2007,14:1-180.
  • 3FLANDRIN E,FOURNIER I ,GERMA A. Numotations Gracieuses des Chemins [J]. Axs Combin, 1983,16 : 149-181.
  • 4LEE S M, LAI K Y,WANG Y S, et al. On the Graceful Permutation Graphs Conjecture [J ]. Congressus Numerantium, 1994, 103.193-201.
  • 5LIANG Z, ZHANG H, XU N, et al. Gracefulness of Five Permutation Graphs of Paths [J]. Utiliras Mathematica,2007,72:241- 249.
  • 6LIANG Z. On the Graceful Conjecture of Permutation Graphs of Paths [J]. Ars Combinatoria,2009,91:65-82.
  • 7GVOZDJAK P. On the Oberwolfach Problem for Cycles with Multiple Lengths [ D]. Burnaby-Simon Fraser University, 2004.

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