(d,1)-全标号和在支撑树上受限制的两种L(d,1)-标号.pdf

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1、üè10445ÆÒ2008020842©aÒO157.5ìÀÆa¬ÆةةK8:(d,1)−IÒÚ3

2、äþÉü«L(d,1)−IÒÆ;¶¡:A^êÆ<6¶:o°=6¶:[BÇØ©Jm:2011c45FÕM(²<(²¤¥ÆØ©´<3e?1ïÄó9ïĤJ"â·¤§Ø©¥AO±I5Ú/§Ø©¥Ø¹Ù¦<®²uL½>ïĤJ§Ø¹¼£5µXvkÙ¦IAO(²§9¤½Ù¦ÅƽyÖ¦^Lá"·ÓóÓéïĤ?Ûzþ®3Ø©¥²(`²¿L«¿"ÆØ©ö¶µiµÆØ©¦^ÇÖÆØ©ö)Æk'

3、3!¦^ÆØ©5½§k3¿I[k'ܽÅxØ©E<Ú^§#NØ©Ú/"<ÇƱòÆØ©ܽܩSN?k'êâ¥?1u¢§±æ^K

4、..............61ÙÚó...................................................................11§1.1ÄVgÎÒ............................................12§1.2ãL(2,1)−IÒ'AaãIÒ¯K...........131Ùã(d,1)−IÒ...................................................17§2.1ã(d,1)−IÒü(J......................

5、......17§2.2kÚ$ݲ¡ã(2,1)−IÒ.......191nÙãL(d,1)−TIÒ..................................................28§3.1MycielskiãL(d,1)−TIÒ...............................28§3.2ÃK1,tãL(d,1)−TIÒ...................................2901oÙãL(d,1)−TIÒ.................................................33

6、ë©z.......................................................................353ÆÏmuLÆâØ©..................................................39.............................................................................40ìÀÆa¬ÆØ©(d,1)−IÒÚ3

7、äþÉü«L(d,1)−IÒo°=(ìÀÆêÆÆÆ,LH,ìÀ,250014)¥©ÁãnØ´~c

8、Æ,´¤Ùé¯.3NõÆ+ÑkX2A^µ,X:OÅÆ!èÆ!Ôn!)Ô!zÆ!ÔÑÆÑ2A^ãØ9Ù{.ã/Ú¯K´ãØ¥ïÄ̯K,´ãØïÄ¥¹+,Ù¥ãIÒ¯K´ã/Ú¯Kí2.ª©¯KC/,1992c,GriggsÚYeh[1]JÑãL(2,1)−IÒ¯K.bX½ÄÕ,·3;Z6^ezÄÕ©ª.;Z6,·¦3~CÄÕ©ª,§ª2,CÄÕ4§©ØÓª.2000c,G.J.Chang<3©z[2]¥r§í2L(d,1)−IÒ.©Ä{üëÏãG.`²ÎÒâë©z[12],[18].·Ú±e½Â

9、:½Â1[1]ãGL(2,1)−IÒ´Nc:V(G)−→{0,1,2···k},¦éG?¿º:u,v÷v(1)ed(u,v)=1,K

10、c(u)−c(v)

11、≥2;(2)ed(u,v)=2,K

12、c(u)−c(v)

13、≥1.¤kIÒÑuuk,¡ãGkk−L(2,1)−IÒ.¦ãGkk−L(2,1)−IÒêk¡ãGL(2,1)−IÒê,Pλ(G).aq,·±½ÂL(d,1)−IÒ.½Â2[1]ãGL(d,1)−IÒ´Nc:V(G)−→{0,1,2···k},¦éG?¿º:u,v÷v(1)ed(u,