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基础数学 今日: 3 |主题: 32707|排名: 4 

版主: luyuanhong
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预览 Is this proof valid? attachment  ...2 kindlychung 2010-9-25 02:12 126431 wangyangkee 2010-10-7 16:43
预览 Proof of Bolzano-Weierstrass theorem using Axiom of Completeness. attachment kindlychung 2010-9-26 16:41 33551 wangyangkee 2010-10-7 16:42
预览 Convergence of a recursive fraction attachment kindlychung 2010-9-26 15:48 33702 wangyangkee 2010-10-7 16:41
预览 [讨论]如果用此方式来测量光的质量,大家看可行不? 技术员 2010-10-6 10:44 13392 技术员 2010-10-7 16:40
预览 All convergent subsequences converge to the same limit => what ? attachment kindlychung 2010-9-26 16:29 73880 wangyangkee 2010-10-7 16:40
预览 Limit of double series attachment  ...2 kindlychung 2010-9-29 01:44 186471 wangyangkee 2010-10-7 16:39
预览 R and the empty set are the only open and closed sets. attachment  ...2 kindlychung 2010-9-30 13:00 105709 wangyangkee 2010-10-7 16:38
预览 Isn';t this definition of closed sets flawed? attachment kindlychung 2010-10-1 23:42 53525 wangyangkee 2010-10-7 16:38
预览 Open cover, finite subcover attachment kindlychung 2010-10-2 15:53 14616 wangyangkee 2010-10-7 16:37
预览 \sum{min{a_n, b_n}} converges, while \sum{a_n} and attachment  ...23 kindlychung 2010-9-28 13:46 238025 wangyangkee 2010-10-7 16:37
预览 Closure of union and union of closures attachment kindlychung 2010-10-3 01:23 33231 wangyangkee 2010-10-7 16:36
预览 finite, compact attachment kindlychung 2010-10-2 17:25 22855 wangyangkee 2010-10-7 16:35
预览 Perfect set of rationals. attachment  ...2 kindlychung 2010-10-2 17:37 106020 wangyangkee 2010-10-7 16:35
预览 Does Cantor set contain isolated points? kindlychung 2010-10-2 16:04 43153 wangyangkee 2010-10-7 16:34
预览 Cantor set completely seperated. attachment kindlychung 2010-10-3 15:28 12993 wangyangkee 2010-10-7 16:34
预览 Nonempty perfect set of irrational numbers attachment kindlychung 2010-10-3 15:44 13080 wangyangkee 2010-10-7 16:33
预览 set connected => set closure connected? attachment kindlychung 2010-10-2 20:30 94840 wangyangkee 2010-10-7 16:33
预览 F\sigma set and G\delta set attachment kindlychung 2010-10-1 16:17 53726 wangyangkee 2010-10-7 16:32
预览 Density of Q diluted? attachment kindlychung 2010-10-3 16:45 33510 wangyangkee 2010-10-7 16:31
预览 Sum of Cantor sets attachment kindlychung 2010-10-2 14:07 83708 wangyangkee 2010-10-7 16:31
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