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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. Exercise from Munkres' Topology.

    Started by Alan, June 12th, 2018 23:34
    $fin, exercise, hint, munkres, topology
    • Replies: 0
    • Views: 113
    June 12th, 2018, 23:34 Go to last post
  3. Show that X is compact

    Started by Alexmahone, April 23rd, 2018 12:30
    $x$, compact, infinite, show, topology
    • Replies: 6
    • Views: 543
    May 30th, 2018, 00:08 Go to last post
  4. Incommensurability at an equilateral triangle

    Started by mathmari, May 24th, 2018 11:49
    • Replies: 7
    • Views: 236
    May 27th, 2018, 10:45 Go to last post
  5. Fractal geometry

    Started by moyo, April 17th, 2018 14:15
    alongside, form, fractal, shape, tiles
    • Replies: 0
    • Views: 208
    April 17th, 2018, 14:15 Go to last post
  6. Projective Parametrization

    Started by GR242, March 20th, 2018 12:39
    $$fracxa^2, c^2$$, fracyb^2, line, projective
    • Replies: 1
    • Views: 147
    March 20th, 2018, 13:44 Go to last post
  7. Generalized helix curve

    Started by MathReer1, February 28th, 2018 21:50
    curvature, curve, fixed, generalized, helix
    • Replies: 1
    • Views: 217
    March 1st, 2018, 11:25 Go to last post
  8. [SOLVED] Quotient Maps

    Started by topsquark, February 20th, 2018 04:23
    equivalence, map, quotient, space, topology
    • Replies: 2
    • Views: 185
    February 23rd, 2018, 22:08 Go to last post
  9. Square torus, again

    Started by Joppy, February 5th, 2018 19:18
    bug, half, sees, square, torus
    • Replies: 5
    • Views: 303
    February 7th, 2018, 03:22 Go to last post
  10. Equivalence of the following two terms

    Started by Mharris, January 9th, 2018 00:32
    $j/beta, $l_xj=0$, condition, equivalence, equivalent
    • Replies: 7
    • Views: 350
    January 11th, 2018, 11:48 Go to last post
  11. Euler's formula?

    Started by Joppy, November 27th, 2017 19:11
    2v_4, 3f_5, faces, number, polyhedron
    • Replies: 7
    • Views: 334
    December 28th, 2017, 10:19 Go to last post
  12. Jacobian of the Transformation

    Started by amr21, November 28th, 2017 06:53
    find, jacobian, online, transformation, videos
    • Replies: 1
    • Views: 144
    November 28th, 2017, 08:39 Go to last post
  13. Mosers worm problem. I need a theorem.

    Started by Pereskia, November 16th, 2017 09:32
    cover, mosers, problem, shape, worm
    • Replies: 0
    • Views: 173
    November 16th, 2017, 09:32 Go to last post
  14. Why is this the condition of collinearity?

    Started by mathmari, July 12th, 2017 21:51
    • Replies: 6
    • Views: 533
    July 14th, 2017, 00:06 Go to last post
  15. Closed set relative

    Started by Julio, April 3rd, 2016 19:41
    $atimes, closed, question, relative, set
    • Replies: 2
    • Views: 671
    July 7th, 2017, 13:20 Go to last post
  16. definition of quotient topology

    Started by Muon, May 21st, 2017 10:59
    $bigcup, $tau_y=leftusubseteq, =leftbigcup, ybigcup, [a]in
    • Replies: 1
    • Views: 437
    May 21st, 2017, 12:25 Go to last post
  17. 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: 427
    May 16th, 2017, 00:17 Go to last post
  18. first countable spaces

    Started by hksuraj, February 12th, 2017 07:12
    countable, delta, prove, set, set?how
    • Replies: 2
    • Views: 512
    March 23rd, 2017, 01:50 Go to last post
  19. Closure of an Set

    Started by Julio, January 31st, 2017 18:21
    closure, text, ucap, uintau, xin
    • Replies: 3
    • Views: 555
    February 1st, 2017, 17:25 Go to last post
  20. The Join of Two Circles Is the Three Sphere

    Started by caffeinemachine, October 16th, 2016 04:16
    • Replies: 5
    • Views: 1,553
    December 24th, 2016, 05:38 Go to last post
  21. Comparison of Topologies:basic

    Started by Arenholt, December 21st, 2016 01:20
    $tau_2=the, complement, topologies, topology, topology$
    • Replies: 8
    • Views: 825
    December 22nd, 2016, 05:32 Go to last post
  22. The Long Exact Sequence of a Certain Pair

    Started by caffeinemachine, December 17th, 2016 07:36
    exact, itimes, partial, rrightarrow, sequence
    • Replies: 0
    • Views: 362
    December 17th, 2016, 07:36 Go to last post
  23. Topological Manifolds - Charts on Real Projective Spaces

    Started by Peter, February 21st, 2016 23:06
    domain, map, phi_i, question, read
    • Replies: 1
    • Views: 809
    December 12th, 2016, 13:30 Go to last post
  24. 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: 639
    August 24th, 2016, 11:29 Go to last post
  25. about one-point compactification

    Started by bw0young0math, August 24th, 2016 11:19
    1∪2, a=[0, compactification, one-point, problem
    • Replies: 0
    • Views: 415
    August 24th, 2016, 11:19 Go to last post
  26. [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: 720
    August 22nd, 2016, 22:50 Go to last post

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Top 79 Thread Starters For "Topology and Advanced Geometry"

RankUser NamePercentage Of TotalThreadsMost Recent Thread
1Peter26.8110Coordinates of Pushforwards .....
2mathmari15.664Incommensurability at an equil...
3caffeinemachine9.539A Step in Calculating the Cup ...
4Poirot4.920topology question: bounded lin...
5evinda3.414Normals 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...
12MathReer10.52Complete metric space and uniq...
13Chris L T5210.21Hodge Star Operator on a Riema...
13Alexmahone0.21Show that X is compact
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...
13Alan0.21Exercise from Munkres' Topolog...
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...
13mathworker0.21Geometry of nth dimension
13aoun10.21Prove that graph of D is close...
13rcharity0.21Continuous & open map
13onie mti0.21Topology n R^p...boundary poin...
13simo0.21Boundary Points
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
13moyo0.21Fractal geometry
13Pereskia0.21Mosers worm problem. I need a ...
13Mharris0.21Equivalence of the following t...
13GR2420.21Projective Parametrization
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