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 版块 作者 回复/查看 最后发表
悬赏 Detour-saturated graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-11-13 1 739 牛尾巴 2013-11-13 17:48:35
悬赏 Rainbow Connections of Graphs-道客巴巴网 - [!reward_solved!] attachment 求助成功区 lzguo99 2013-11-10 3 1043 lzguo99 2013-11-10 16:35:12
悬赏 Large Chromatic Number and Ramsey Graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-11-8 1 654 giresse 2013-11-8 05:57:57
悬赏 Minimum vertex-diameter-2-critical graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-11-7 1 628 giresse 2013-11-7 12:15:42
悬赏 There exist graphs with super-exponential Ramsey multiplicity constant - [!reward_solved!] attachment 求助成功区 lzguo99 2013-10-27 1 685 giresse 2013-10-28 07:11:32
悬赏 On the Ramsey multiplicity of complete graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-10-27 4 659 lzguo99 2013-10-27 19:44:01
悬赏 On Chromatic Graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-10-27 1 589 石头加油 2013-10-27 13:15:46
悬赏 Minimal k-arc connected graphs - [!reward_solved!] attachment 求助成功区 qijiongli 2013-10-7 1 877 牛尾巴 2013-10-7 12:20:42
悬赏 Independent sets in regular graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-30 1 832 Jessymannheim 2013-9-30 00:13:11
悬赏 Pancyclicity and Cayley Graphs on Abelian Groups - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-21 1 798 jxcj 2013-9-21 19:37:41
悬赏 Mapping Planar Graphs into Projective Cubes - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-21 1 770 jxcj 2013-9-21 19:36:44
悬赏 Planar graphs without 4,6,8-cycles are 3-colorable - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-15 1 749 wangjiajun2010 2013-9-15 17:03:54
悬赏 On 3-colorability of planar graphs without adjacent short cycles - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-15 1 728 yangguangzhilv 2013-9-15 17:03:30
悬赏 Short proofs of coloring theorems on planar graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-15 1 876 jmb321 2013-9-15 14:37:32
悬赏 Forbidden subgraphs and the König–Egerváry property - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-15 1 968 Jessymannheim 2013-9-15 14:22:31
悬赏 On extremal graphs containing no wheels - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-14 2 695 迦太基 2013-9-14 11:27:49
悬赏 The Star Chromatic Numbers of Some Planar Graphs Derived from Wheels - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-14 1 764 迦太基 2013-9-14 11:24:21
悬赏 Pancyclicity and Cayley Graphs on Abelian Groups - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-13 1 866 jmb321 2013-9-13 11:34:55
悬赏 Planar graphs with neither 5-cycles nor close 3-cycles are 3-colorable - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-13 1 1410 jmb321 2013-9-13 11:33:51
悬赏 On globally sparse Ramsey graphs - [!reward_solved!] attachment 求助成功区 lzguo99 2013-9-9 1 822 HFUT_LW 2013-9-9 19:22:58
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