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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

  1. Normal Thread Normal Threads

  2. Semi-axes

    Started by evinda, March 16th, 2016 16:21
    paraboloid, revolution, semi-axes, set
    • Replies: 1
    • Views: 562
    March 17th, 2016, 10:12 Go to last post
  3. Coordinates of Pushforwards ...

    Started by Peter, February 29th, 2016 03:32
    coordinates, lees, pushforwards, tangent, vectors
    • Replies: 1
    • Views: 489
    March 1st, 2016, 00:54 Go to last post
  4. Pushforwards in local coordinates

    Started by Peter, February 29th, 2016 00:56
    conversation, frac, lees, partial, pushforwards
    • Replies: 1
    • Views: 497
    February 29th, 2016, 01:59 Go to last post
    • Replies: 4
    • Views: 809
    February 29th, 2016, 01:09 Go to last post
    • Replies: 2
    • Views: 565
    February 23rd, 2016, 22:32 Go to last post
  5. Charts on Topological Manifolds - Simple Notational Issue

    Started by Peter, February 20th, 2016 22:33
    1.1.3, definition, issue, m^m, relationship
    • Replies: 2
    • Views: 737
    February 20th, 2016, 23:33 Go to last post
    • Replies: 0
    • Views: 555
    February 19th, 2016, 03:16 Go to last post
    • Replies: 0
    • Views: 554
    February 18th, 2016, 01:30 Go to last post
  6. A general 2-form - Colley Chapter 8, Section 8.1

    Started by Peter, February 7th, 2016 04:27
    2-form, colley, general, omega, wedge
    • Replies: 1
    • Views: 662
    February 16th, 2016, 14:26 Go to last post
  7. Problem 10 of Section 1.2 from Hatcher

    Started by caffeinemachine, February 10th, 2016 00:52
    • Replies: 0
    • Views: 519
    February 10th, 2016, 00:52 Go to last post
  8. 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: 479
    February 6th, 2016, 23:59 Go to last post
  9. 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: 507
    February 3rd, 2016, 07:44 Go to last post
    • Replies: 7
    • Views: 932
    February 3rd, 2016, 01:58 Go to last post
  10. Coordinates in the Tangent Space

    Started by Peter, January 30th, 2016 06:23
    /dt, bachman, context, coordinates, text
    • Replies: 0
    • Views: 377
    January 30th, 2016, 06:23 Go to last post
    • Replies: 3
    • Views: 817
    January 30th, 2016, 00:32 Go to last post
    • Replies: 0
    • Views: 360
    January 26th, 2016, 22:47 Go to last post
  11. Example of surfaces

    Started by mathmari, January 21st, 2016 11:57
    find, graph, image, surface, wondering
    • Replies: 0
    • Views: 445
    January 21st, 2016, 11:57 Go to last post
  12. First and second fundamental form

    Started by evinda, January 19th, 2016 17:25
    du^2+2m, dv+, dv^2$$, form, fundamental
    • Replies: 5
    • Views: 568
    January 20th, 2016, 18:01 Go to last post
  13. Smooth function

    Started by mathmari, January 9th, 2016 21:03
    $s$, function, rightarrow, smooth, surface
    • Replies: 9
    • Views: 860
    January 20th, 2016, 12:07 Go to last post
  14. [SOLVED] Angle between the parameter curves

    Started by mathmari, January 18th, 2016 12:45
    $tildesigma$, angle, curves, parameter, wondering
    • Replies: 2
    • Views: 481
    January 19th, 2016, 19:08 Go to last post
  15. [SOLVED] Are they perpendicular?

    Started by mathmari, January 19th, 2016 12:46
    n=0, n_v=0, perpendicular, rightarrow, sigma_vcdot
    • Replies: 8
    • Views: 682
    January 19th, 2016, 16:28 Go to last post
  16. Flat ruled surfaces

    Started by mathmari, January 19th, 2016 14:44
    • Replies: 0
    • Views: 291
    January 19th, 2016, 14:44 Go to last post
  17. How do we get that formula?

    Started by mathmari, January 12th, 2016 18:00
    2 Pages
    1 2
    • Replies: 11
    • Views: 1,161
    January 18th, 2016, 18:31 Go to last post

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Top 74 Thread Starters For "Topology and Advanced Geometry"

RankUser NamePercentage Of TotalThreadsMost Recent Thread
1Peter27.3110Coordinates of Pushforwards .....
2mathmari15.663Why is this the condition of c...
3caffeinemachine9.739A Step in Calculating the Cup ...
4Poirot5.020topology question: bounded lin...
5evinda3.514Normals to plane curves
6dwsmith2.711connect subsets
7Amer2.08Limit point(Cluster point) of ...
8Siron1.77Borel set
8bw0young0math1.77about quotioent topology and T...
8smile1.77Quotient maps
9dray1.25Result from a metric linear sp...
9ModusPonens1.25Is this formula correct?
9topsquark1.25Quotient Maps
10oblixps1.04the open ball of radius 1 is h...
10ianchenmu1.04A proof about the relation bet...
10Fermat1.04Fixed point theorem
10Jakob1.04Stokes theorem with singularit...
10mathgirl1.04Hausdorff, regular, normal spa...
11Evgeny.Makarov0.73Delaunay triangulation
11bugatti790.73Obtaining the surface normal o...
11Sudharaka0.73Closed, Symmetric, Convex Subs...
11Fantini0.73Continuity preserving Lindelöf...
11ZaidAlyafey0.73Mobius band and space of all l...
11Mesfer Alqahtan0.73Question about a Regular Hausd...
11Impo0.73Cross ratio
11Boromir0.73compact subset of R
11ozkan120.73closure of set
12hmmm160.52how that the Baumslag–Solitar ...
12Megus0.52Continuity stuff
12Jack0.52If X×Y is Hausdorff, then is X...
12Ubistvo0.52Complete metric space
12Arnold0.52Hyperbolic geometry - isometry
12Adam0.52Prove that the Gauss Map of th...
12Julio0.52Closure of an Set
12dingo0.52Difference between a vector an...
12Joppy0.52Square torus, again
12Muon0.52definition of quotient topolog...
13Chris L T5210.21Hodge Star Operator on a Riema...
13bkarpuz0.21The set of piecewise continuou...
13Fernando Revilla0.21A subspace of a Banach space i...
13MikeD0.21Proving a continuous function ...
13Lolyta0.21Proof it is a base in a metric...
13OhMyMarkov0.21Rudin's Proof -- The Closure o...
13Dense0.21Compactness, limit point and s...
13Larry0.21Invariant question
13Mathelogician0.21Some very basic questions on t...
13mm12390.21Proof that every open set in R...
13Barioth0.21Do carmo: 3.2 E1- Hyperbolic p...
13Andrei0.21common perpendicular of two di...
13johng0.21A dense subset of [0,1]
13Carla19850.21Show triangles are similar
13ryo00710.21Question about notation from M...
13mathbalarka0.21Superperiods
13mathworker0.21Geometry of nth dimension
13Yuuki0.21
13aoun10.21Prove that graph of D is close...
13rcharity0.21Continuous & open map
13onie mti0.21Topology n R^p...boundary poin...
13simo0.21Boundary Points
13kp1005910.21Trees
13filipparker0.21simple closed curve is nullhom...
13Samwise0.21Higher order tangent bundle
13panicnerd0.21Hausdorff spaces and continuou...
13Ganesh Ujwal0.21how to show this example?
13rayadam0.21I need a math genius in spheri...
13azoroth0.21the multiplication of delta fu...
13nivek0000.21Intro. to Projective Geometry ...
13aleksa9940.21quadric surface equations
13flashback0.21Circle problem
13amr210.21Jacobian of the Transformation
13Arenholt0.21Comparison of Topologies:basic
13hksuraj0.21first countable spaces
13Pereskia0.21Mosers worm problem. I need a ...
13Mharris0.21Equivalence of the following t...
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