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Forum: Topology and Advanced Geometry

General, Algebraic, and Geometric Topology; Differential Geometry and Tensor Analysis; Advanced Euclidean and Non-Euclidean Geometry, Projective Geometry

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  2. Problem 10 of Section 1.2 from Hatcher

    Started by caffeinemachine, February 10th, 2016 00:52
    • Replies: 0
    • Views: 365
    February 10th, 2016, 00:52 Go to last post
  3. Exercise on 1-Forms - O'Neill Exercises 1.5 No. 7(a)

    Started by Peter, February 3rd, 2016 00:36
    1.5, exercise, oneill, section, shown
    • Replies: 1
    • Views: 335
    February 6th, 2016, 23:59 Go to last post
  4. Example on 1-Forms - Text Page 26 - O'Neil Section 1.5

    Started by Peter, February 3rd, 2016 07:44
    5.7, lemma, text, x^2, y^2
    • Replies: 0
    • Views: 377
    February 3rd, 2016, 07:44 Go to last post
    • Replies: 7
    • Views: 689
    February 3rd, 2016, 01:58 Go to last post
  5. Coordinates in the Tangent Space

    Started by Peter, January 30th, 2016 06:23
    /dt, bachman, context, coordinates, text
    • Replies: 0
    • Views: 259
    January 30th, 2016, 06:23 Go to last post
    • Replies: 3
    • Views: 554
    January 30th, 2016, 00:32 Go to last post
    • Replies: 0
    • Views: 252
    January 26th, 2016, 22:47 Go to last post
  6. Example of surfaces

    Started by mathmari, January 21st, 2016 11:57
    find, graph, image, surface, wondering
    • Replies: 0
    • Views: 362
    January 21st, 2016, 11:57 Go to last post
  7. First and second fundamental form

    Started by evinda, January 19th, 2016 17:25
    du^2+2m, dv+, dv^2$$, form, fundamental
    • Replies: 5
    • Views: 384
    January 20th, 2016, 18:01 Go to last post
  8. Smooth function

    Started by mathmari, January 9th, 2016 21:03
    $s$, function, rightarrow, smooth, surface
    • Replies: 9
    • Views: 587
    January 20th, 2016, 12:07 Go to last post
  9. [SOLVED] Angle between the parameter curves

    Started by mathmari, January 18th, 2016 12:45
    $tildesigma$, angle, curves, parameter, wondering
    • Replies: 2
    • Views: 336
    January 19th, 2016, 19:08 Go to last post
  10. [SOLVED] Are they perpendicular?

    Started by mathmari, January 19th, 2016 12:46
    n=0, n_v=0, perpendicular, rightarrow, sigma_vcdot
    • Replies: 8
    • Views: 519
    January 19th, 2016, 16:28 Go to last post
  11. Flat ruled surfaces

    Started by mathmari, January 19th, 2016 14:44
    • Replies: 0
    • Views: 214
    January 19th, 2016, 14:44 Go to last post
  12. How do we get that formula?

    Started by mathmari, January 12th, 2016 18:00
    2 Pages
    1 2
    • Replies: 11
    • Views: 758
    January 18th, 2016, 18:31 Go to last post
  13. Condition to be conformal

    Started by mathmari, January 18th, 2016 12:52
    $phi$, conformal, smooth, tag, text
    • Replies: 0
    • Views: 210
    January 18th, 2016, 12:52 Go to last post
  14. What information do we get?

    Started by mathmari, January 17th, 2016 18:41
    2 Pages
    1 2
    $nu_0, $sigma, information, rightarrow, v_0$
    • Replies: 12
    • Views: 686
    January 17th, 2016, 21:00 Go to last post
  15. What does the curve represent?

    Started by evinda, November 9th, 2015 15:31
    3 Pages
    1 2 3
    $gamma$, $mathbbr^2$, closed, cos, curve
    • Replies: 29
    • Views: 1,747
    January 17th, 2016, 18:49 Go to last post
  16. [SOLVED] Smooth map

    Started by mathmari, January 14th, 2016 07:30
    2 Pages
    1 2
    • Replies: 18
    • Views: 821
    January 17th, 2016, 16:34 Go to last post
  17. Repametrization map

    Started by mathmari, January 17th, 2016 13:05
    endpmatrix=beginpmatrix, frac1w, map, tildef, wondering
    • Replies: 0
    • Views: 152
    January 17th, 2016, 13:05 Go to last post
  18. Parallel curve

    Started by mathmari, October 10th, 2015 20:48
    2 Pages
    1 2
    • Replies: 14
    • Views: 957
    January 17th, 2016, 10:48 Go to last post
  19. Intersection of a surface with a plane

    Started by mathmari, January 16th, 2016 17:26
    • Replies: 0
    • Views: 217
    January 16th, 2016, 17:26 Go to last post
  20. How do we get the terms E, F, G, L, M, N ?

    Started by mathmari, January 9th, 2016 17:02
    • Replies: 2
    • Views: 294
    January 16th, 2016, 11:16 Go to last post
  21. Taylor expansion - How can we deduce that?

    Started by mathmari, January 15th, 2016 15:05
    • Replies: 2
    • Views: 227
    January 16th, 2016, 10:39 Go to last post
  22. Which is the set?

    Started by mathmari, January 14th, 2016 21:09
    $f$, $s$, diffeomorphism, half-plane, local
    • Replies: 0
    • Views: 200
    January 14th, 2016, 21:09 Go to last post

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