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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. Euler's formula?

    Started by Joppy, November 27th, 2017 19:11
    2v_4, 3f_5, faces, number, polyhedron
    • Replies: 6
    • Views: 130
    November 28th, 2017, 09:59 Go to last post
  3. Jacobian of the Transformation

    Started by amr21, November 28th, 2017 06:53
    find, jacobian, online, transformation, videos
    • Replies: 1
    • Views: 43
    November 28th, 2017, 08:39 Go to last post
  4. Mosers worm problem. I need a theorem.

    Started by Pereskia, November 16th, 2017 09:32
    cover, mosers, problem, shape, worm
    • Replies: 0
    • Views: 52
    November 16th, 2017, 09:32 Go to last post
  5. Why is this the condition of collinearity?

    Started by mathmari, July 12th, 2017 21:51
    • Replies: 6
    • Views: 319
    July 14th, 2017, 00:06 Go to last post
  6. Closed set relative

    Started by Julio, April 3rd, 2016 19:41
    $atimes, closed, question, relative, set
    • Replies: 2
    • Views: 544
    July 7th, 2017, 13:20 Go to last post
  7. definition of quotient topology

    Started by Muon, May 21st, 2017 10:59
    $bigcup, $tau_y=leftusubseteq, =leftbigcup, ybigcup, [a]in
    • Replies: 1
    • Views: 291
    May 21st, 2017, 12:25 Go to last post
  8. when is a finite topological space path-connected?

    Started by Muon, May 15th, 2017 20:36
    finite, map, path-connected, space, topological
    • Replies: 1
    • Views: 235
    May 16th, 2017, 00:17 Go to last post
  9. first countable spaces

    Started by hksuraj, February 12th, 2017 07:12
    countable, delta, prove, set, set?how
    • Replies: 2
    • Views: 343
    March 23rd, 2017, 01:50 Go to last post
  10. Closure of an Set

    Started by Julio, January 31st, 2017 18:21
    closure, text, ucap, uintau, xin
    • Replies: 3
    • Views: 338
    February 1st, 2017, 17:25 Go to last post
  11. The Join of Two Circles Is the Three Sphere

    Started by caffeinemachine, October 16th, 2016 04:16
    • Replies: 5
    • Views: 1,151
    December 24th, 2016, 05:38 Go to last post
  12. Comparison of Topologies:basic

    Started by Arenholt, December 21st, 2016 01:20
    $tau_2=the, complement, topologies, topology, topology$
    • Replies: 8
    • Views: 527
    December 22nd, 2016, 05:32 Go to last post
  13. The Long Exact Sequence of a Certain Pair

    Started by caffeinemachine, December 17th, 2016 07:36
    exact, itimes, partial, rrightarrow, sequence
    • Replies: 0
    • Views: 226
    December 17th, 2016, 07:36 Go to last post
  14. Topological Manifolds - Charts on Real Projective Spaces

    Started by Peter, February 21st, 2016 23:06
    domain, map, phi_i, question, read
    • Replies: 1
    • Views: 580
    December 12th, 2016, 13:30 Go to last post
  15. about quotioent topology and T2.

    Started by bw0young0math, August 24th, 2016 11:29
    function, fx=0x∈a, fx=xx∈b, topology, u→b∪0
    • Replies: 0
    • Views: 480
    August 24th, 2016, 11:29 Go to last post
  16. about one-point compactification

    Started by bw0young0math, August 24th, 2016 11:19
    1∪2, a=[0, compactification, one-point, problem
    • Replies: 0
    • Views: 296
    August 24th, 2016, 11:19 Go to last post
  17. [SOLVED] Hello, I have a problem about differential geometry.

    Started by bw0young0math, August 16th, 2016 01:12
    find, normal curvature, principal, principal vector, vector
    • Replies: 2
    • Views: 514
    August 22nd, 2016, 22:50 Go to last post
  18. Normals to plane curves

    Started by evinda, April 14th, 2016 15:19
    $nt, cdot, ft+, gt$, rt=-gt
    • Replies: 6
    • Views: 664
    April 14th, 2016, 18:55 Go to last post
  19. Curvature of parabola

    Started by evinda, April 14th, 2016 13:01
    2at, curvature, fracdtds=frac14a^2, parabola, t^2+1
    • Replies: 2
    • Views: 1,015
    April 14th, 2016, 15:14 Go to last post
  20. [SOLVED] Circle problem

    Started by flashback, April 7th, 2016 10:02
    circles, diameter, line, passes, smaller
    • Replies: 0
    • Views: 669
    April 7th, 2016, 10:02 Go to last post
  21. Directional Derivatives and Derivations - Tangent Space

    Started by Peter, February 23rd, 2016 22:59
    directional, d_v|_a, lees, tangent, v_a
    • Replies: 1
    • Views: 671
    March 26th, 2016, 04:44 Go to last post
  22. Semi-axes

    Started by evinda, March 16th, 2016 16:21
    paraboloid, revolution, semi-axes, set
    • Replies: 1
    • Views: 505
    March 17th, 2016, 10:12 Go to last post
  23. Coordinates of Pushforwards ...

    Started by Peter, February 29th, 2016 03:32
    coordinates, lees, pushforwards, tangent, vectors
    • Replies: 1
    • Views: 465
    March 1st, 2016, 00:54 Go to last post

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Top 73 Thread Starters For "Topology and Advanced Geometry"

RankUser NamePercentage Of TotalThreadsMost Recent Thread
1Peter27.5110Coordinates of Pushforwards .....
2mathmari15.863Why is this the condition of c...
3caffeinemachine9.839A Step in Calculating the Cup ...
4Poirot5.020topology question: bounded lin...
5evinda3.514Normals to plane curves
6dwsmith2.811connect subsets
7Amer2.08Limit point(Cluster point) of ...
8Siron1.87Borel set
8bw0young0math1.87about quotioent topology and T...
8smile1.87Quotient maps
9dray1.35Result from a metric linear sp...
9ModusPonens1.35Is this formula correct?
10oblixps1.04the open ball of radius 1 is h...
10topsquark1.04GR Question #2: Integration
10ianchenmu1.04A proof about the relation bet...
10Fermat1.04Fixed point theorem
10Jakob1.04Stokes theorem with singularit...
10mathgirl1.04Hausdorff, regular, normal spa...
11Evgeny.Makarov0.83Delaunay triangulation
11bugatti790.83Obtaining the surface normal o...
11Sudharaka0.83Closed, Symmetric, Convex Subs...
11Fantini0.83Continuity preserving Lindelöf...
11ZaidAlyafey0.83Mobius band and space of all l...
11Mesfer Alqahtan0.83Question about a Regular Hausd...
11Impo0.83Cross ratio
11Boromir0.83compact subset of R
11ozkan120.83closure 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...
12Muon0.52definition of quotient topolog...
13Chris L T5210.31Hodge Star Operator on a Riema...
13bkarpuz0.31The set of piecewise continuou...
13Fernando Revilla0.31A subspace of a Banach space i...
13MikeD0.31Proving a continuous function ...
13Lolyta0.31Proof it is a base in a metric...
13OhMyMarkov0.31Rudin's Proof -- The Closure o...
13Dense0.31Compactness, limit point and s...
13Larry0.31Invariant question
13Mathelogician0.31Some very basic questions on t...
13mm12390.31Proof that every open set in R...
13Barioth0.31Do carmo: 3.2 E1- Hyperbolic p...
13Andrei0.31common perpendicular of two di...
13johng0.31A dense subset of [0,1]
13Carla19850.31Show triangles are similar
13ryo00710.31Question about notation from M...
13mathbalarka0.31Superperiods
13mathworker0.31Geometry of nth dimension
13Yuuki0.31
13aoun10.31Prove that graph of D is close...
13rcharity0.31Continuous & open map
13onie mti0.31Topology n R^p...boundary poin...
13simo0.31Boundary Points
13kp1005910.31Trees
13filipparker0.31simple closed curve is nullhom...
13Samwise0.31Higher order tangent bundle
13panicnerd0.31Hausdorff spaces and continuou...
13Ganesh Ujwal0.31how to show this example?
13rayadam0.31I need a math genius in spheri...
13azoroth0.31the multiplication of delta fu...
13nivek0000.31Intro. to Projective Geometry ...
13aleksa9940.31quadric surface equations
13flashback0.31Circle problem
13Joppy0.31Euler's formula?
13amr210.31Jacobian of the Transformation
13Arenholt0.31Comparison of Topologies:basic
13hksuraj0.31first countable spaces
13Pereskia0.31Mosers worm problem. I need a ...
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