# Differential Geometry Forum

Analysis, Topology and Differential Geometry Help Forum

1. ### Find Accumulation points and Isolation points of set X, Y, Z and W in R^2

• Replies: 3
• Views: 1,825
Aug 1st 2012, 11:03 PM
2. ### Topology beginer some help with proofs please....

• Replies: 25
• Views: 4,076
Jul 29th 2012, 11:50 AM
3. ### Segment (a,b), subset of R^2, closed, open (from Baby Rudin)

• Replies: 6
• Views: 3,258
Jul 28th 2012, 10:43 PM
4. ### I can't prove the triangle inequality holds for this metric space

• Replies: 3
• Views: 1,675
Jul 28th 2012, 07:43 AM
5. ### Deceptive Lebesgue measure theory problem

• Replies: 7
• Views: 919
Jul 27th 2012, 11:42 PM
6. ### ispmetries of tor

• Replies: 0
• Views: 584
Jul 27th 2012, 03:23 PM
7. ### What type triangle has angles in ratio 2:3:7

• Replies: 3
• Views: 992
Jul 27th 2012, 12:44 PM
8. ### In the topological space of R, Show that joins do NOT distribute over meets?

• Replies: 0
• Views: 579
Jul 25th 2012, 02:34 PM
9. ### The open set criterion

• Replies: 0
• Views: 998
Jul 24th 2012, 09:03 AM
10. ### Normal curvature

• Replies: 0
• Views: 899
Jul 15th 2012, 06:34 AM
11. ### Is there a Solutions Manual to Folland's "Real Analysis:..." ?

• Replies: 1
• Views: 8,610
Jul 13th 2012, 12:37 PM
12. ### differential function urgent assistance

• Replies: 1
• Views: 972
Jul 11th 2012, 08:21 AM
13. ### equivalent rotations

• Replies: 0
• Views: 576
Jul 8th 2012, 04:14 AM
14. ### Square metric

• Replies: 5
• Views: 7,720
Jul 6th 2012, 09:14 AM
15. ### effective ample divisor

• Replies: 0
• Views: 575
Jul 1st 2012, 06:25 AM
16. ### functionfinding

• Replies: 11
• Views: 1,009
Jun 29th 2012, 05:16 AM
17. ### Complex polygon perimeter/area equation

• Replies: 2
• Views: 907
Jun 28th 2012, 12:01 PM
18. ### Why is that if and only if z = 0 then z.z >= 0 and not just only = 0?

• Replies: 8
• Views: 766
Jun 25th 2012, 02:27 PM
19. ### Solving Lagrange - optimal value of objective function

• Replies: 3
• Views: 2,015
Jun 24th 2012, 06:40 AM
20. ### Find and classify the stationary points

• Replies: 1
• Views: 983
Jun 24th 2012, 06:25 AM
21. ### My Own Proof of uniqueness of antiderivative

• Replies: 4
• Views: 949
Jun 22nd 2012, 10:10 AM
22. ### Some further questions about convexity/concavity

• Replies: 9
• Views: 1,295
Jun 16th 2012, 11:03 AM
23. ### What does this symbol mean?

• Replies: 1
• Views: 776
Jun 11th 2012, 04:56 PM
24. ### Terminology question: f(x,y) stationary points

• Replies: 2
• Views: 899
Jun 10th 2012, 10:26 AM
25. ### Modulus of continuity is continuous?

• Replies: 2
• Views: 816
Jun 7th 2012, 02:18 PM
26. ### Compact, bounded, closed-range operators on Hilbert spaces have finite rank

• Replies: 1
• Views: 1,253
Jun 4th 2012, 10:20 AM
27. ### Fitting cylinder to data points

• Replies: 0
• Views: 797
Jun 3rd 2012, 07:55 AM
28. ### Can a convex/concave function have a saddle point?

• Replies: 3
• Views: 4,318
Jun 1st 2012, 10:42 AM

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