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悬赏 (1,1,0)-coloring of planar graphs without cycles of length 4 and 6 - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-9 4 771 jmb321 2013-9-9 18:13:58
悬赏 A Property of 4-Chromatic Graphs and some Remarks on Critical Graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-8 1 753 HFUT_LW 2013-9-8 19:27:06
悬赏 Graphs from Projective Planes - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-8 2 843 wlsxxx007 2013-9-8 09:00:33
悬赏 Ramsey-Type Theorem for Spatial Graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-7 1 860 wujianjack2 2013-9-7 12:59:13
悬赏 Large Chromatic Number and Ramsey Graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-7 1 632 wujianjack2 2013-9-7 12:56:26
悬赏 Ramsey Unsaturated and Saturated Graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-8-18 1 759 xinchuzu 2013-8-18 14:56:02
悬赏 Monochromatic triangles in three-coloured graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-8-14 1 822 zxxsm 2013-8-14 09:09:46
悬赏 Ramsey numbers for graphs with five vertices - [!reward_solved!] attachment 求助成功区 lzguo99 2013-8-13 1 818 xjqxxjjqq 2013-8-13 08:47:46
悬赏 Some Theorems on Abstract Graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-8-9 2 849 gecong123 2013-8-9 23:26:03
悬赏 Maximal circuits of graphs. I - [!reward_solved!] attachment 求助成功区 lzguo99 2013-8-7 1 759 Sunz 2013-8-7 15:15:55
悬赏 A class of self-complementary graphs and lower bounds of some ramsey numbers - [!reward_solved!] attachment 求助成功区 lzguo99 2013-8-4 1 979 宝木0413 2013-8-4 19:55:15
悬赏 Diagonal Ramsey numbers for small graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-8-4 2 939 jmb321 2013-8-4 12:27:49
悬赏 Ramsey Numbers for Sets of Five Vertex Graphs With Fixed Number of Edges - [!reward_solved!] attachment 求助成功区 lzguo99 2013-7-31 3 969 isola_w 2013-8-2 20:08:10
悬赏 Extremal graphs without three-cycles or four-cycles - [!reward_solved!] attachment 求助成功区 lzguo99 2013-8-2 1 718 isola_w 2013-8-2 19:59:30
悬赏 Size Ramsey numbers for small-order graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-7-30 2 840 dnq 2013-7-30 07:58:55
悬赏 On the Ramsey numbers for stars versus complete graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-7-20 2 791 HFUT_LW 2013-7-20 20:37:38
悬赏 A note on the Ramsey number of stars — Complete graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-7-20 1 920 zgzfdxwxy 2013-7-20 20:34:00
悬赏 Graphs without four-cycles - [!reward_solved!] attachment 求助成功区 lzguo99 2013-7-19 2 884 盛夏的暴雪 2013-7-19 21:05:19
悬赏 On Ramsey number R(4,3,3)and triangle-free edge-chromatic graphs in three colors - [!reward_solved!] attachment 求助成功区 lzguo99 2013-7-19 1 1660 Sunz 2013-7-19 10:59:02
悬赏 Monochromatic triangles in three-coloured graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-7-17 1 685 jmb321 2013-7-17 18:17:20
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