# Differential Geometry Forum

Analysis, Topology and Differential Geometry Help Forum

1. ### open/closed sets

• Replies: 1
• Views: 417
Jan 18th 2010, 06:15 PM
2. ### a closed set of X is the intersection of countably many open subsets of X

• Replies: 3
• Views: 1,525
Jan 18th 2010, 04:27 PM
3. ### If lim sup a_n = lim inf a_n = a, then a_n->a

• Replies: 5
• Views: 852
Jan 18th 2010, 01:32 PM
4. ### need help with Induction

• Replies: 1
• Views: 468
Jan 18th 2010, 12:39 PM
5. ### Function 1-1 thorughout, if its 1-1 on an open set.

• Replies: 1
• Views: 406
Jan 18th 2010, 06:28 AM
6. ### Real Analysis: Prove BV function bounded and integrable

• Replies: 3
• Views: 1,269
Jan 17th 2010, 03:31 PM
7. ### Proving a metric

• Replies: 5
• Views: 570
Jan 17th 2010, 03:15 PM
8. ### Examples of non-compact space with infinite subset

• Replies: 2
• Views: 1,120
Jan 17th 2010, 11:44 AM
9. ### Real analysis: Limit superior proof

• Replies: 5
• Views: 1,135
Jan 16th 2010, 10:14 PM
10. ### Converhence

• Replies: 1
• Views: 699
Jan 16th 2010, 09:11 PM
11. ### Exponential Function

• Replies: 3
• Views: 540
Jan 16th 2010, 03:28 PM
12. ### left-invariant complete metric on S_\infty

• Replies: 0
• Views: 544
Jan 16th 2010, 01:21 PM

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14. ### fractional part and integration

• Replies: 5
• Views: 532
Jan 16th 2010, 04:03 AM
15. ### minimize the integration value

• Replies: 1
• Views: 541
Jan 16th 2010, 04:00 AM
16. ### Lebesgue measurable function and Borel measurable function

• Replies: 1
• Views: 1,639
Jan 16th 2010, 03:55 AM
17. ### lebesgue measurable set construction

• Replies: 1
• Views: 443
Jan 16th 2010, 03:39 AM
18. ### Can Riemann integrability imply Riemann-Stieltjes integrability, or vice versa?

• Replies: 1
• Views: 793
Jan 16th 2010, 03:31 AM
19. ### Complex Analysis-Liouville's theorem&Taylor

• Replies: 0
• Views: 648
Jan 16th 2010, 02:17 AM
20. ### [SOLVED] Possibly simple series question

• Replies: 4
• Views: 647
Jan 16th 2010, 12:25 AM
21. ### there exist a sequence x_n E S s.t. x_n -> sup S

• Replies: 8
• Views: 509
Jan 15th 2010, 03:53 PM
22. ### Proof question: What's happening?

• Replies: 1
• Views: 540
Jan 15th 2010, 02:22 PM
23. ### Infinite Series Proof.

• Replies: 6
• Views: 506
Jan 15th 2010, 09:02 AM
24. ### A problem with complex numbers and inequalities

• Replies: 3
• Views: 819
Jan 15th 2010, 08:54 AM
25. ### countable, dense, perfect?

• Replies: 4
• Views: 1,119
Jan 15th 2010, 05:36 AM
26. ### Conic Questions!

• Replies: 1
• Views: 336
Jan 15th 2010, 04:38 AM
27. ### hyperbolic

• Replies: 0
• Views: 472
Jan 14th 2010, 09:24 PM
28. ### Well Ordering Proof?

• Replies: 8
• Views: 1,137
Jan 14th 2010, 07:31 PM

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