Higher-dimensional geometry (previously "Polyshapes").
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- Is the centroid the same as the average of boundary points?
by quickfur » Sat Jan 23, 2021 1:18 am
- 14 Replies
- 9261 Views
- Last post by mr_e_man
Mon Apr 22, 2024 6:12 am
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- Classification of 4D manifolds
by steelpillow » Sat Apr 13, 2024 6:54 pm
- 0 Replies
- 448 Views
- Last post by steelpillow
Sat Apr 13, 2024 6:54 pm
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- The downfall of the first axiom
by ubersketch » Tue Feb 26, 2019 5:40 pm
- 2 Replies
- 4834 Views
- Last post by steelpillow
Thu Apr 11, 2024 4:39 pm
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- Almost-uniform tilings?
by Marek14 » Tue Nov 27, 2018 8:51 am
- 56 Replies
- 47788 Views
- Last post by Marek14
Fri Mar 15, 2024 5:50 am
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- Polyflags
by mr_e_man » Fri Jun 16, 2023 1:29 am
- 13 Replies
- 26624 Views
- Last post by mr_e_man
Wed Jul 12, 2023 3:17 pm
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- Hyper Rogue
by Marek14 » Sun Feb 08, 2015 10:44 am
- 31 Replies
- 36026 Views
- Last post by mr_e_man
Tue Jun 06, 2023 6:39 pm
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- Hyperbolic tiling, 7:1
by Marek14 » Sun Apr 24, 2022 9:37 am
- 7 Replies
- 7944 Views
- Last post by Marek14
Wed Feb 08, 2023 10:13 pm
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- Some Nice Animations
by PatrickPowers » Tue Jan 24, 2023 4:08 am
- 0 Replies
- 3388 Views
- Last post by PatrickPowers
Tue Jan 24, 2023 4:08 am
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- What I know about {5,4}
by Marek14 » Tue Nov 29, 2022 9:57 am
- 9 Replies
- 7946 Views
- Last post by quickfur
Tue Jan 17, 2023 3:49 pm
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- Video of Rotating 24-cell
by PatrickPowers » Sun Feb 28, 2021 10:52 pm
- 5 Replies
- 6546 Views
- Last post by quickfur
Mon Jun 27, 2022 5:07 pm
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- Ultra-hyperbolic Coxeter groups
by mr_e_man » Mon Sep 20, 2021 4:13 am
- 8 Replies
- 9583 Views
- Last post by mr_e_man
Tue Mar 15, 2022 10:12 pm
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- Geometry with hyperreals/surreals coefficients
by quickfur » Thu Nov 04, 2021 1:00 am
- 16 Replies
- 14524 Views
- Last post by quickfur
Sun Nov 07, 2021 3:23 pm
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- skew polygrams / skew star polygons
by adam ∞ » Fri Oct 22, 2021 10:56 am
- 2 Replies
- 4271 Views
- Last post by mr_e_man
Mon Nov 01, 2021 9:34 pm
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- "Convex" polytopes in hyperbolic space?
by quickfur » Thu Jun 24, 2021 11:10 pm
- 14 Replies
- 13588 Views
- Last post by wendy
Mon Sep 27, 2021 10:49 am
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- Geometric algebra equations for spheres, cylinders, etc.
by mr_e_man » Tue Aug 20, 2019 12:27 am
- 8 Replies
- 10248 Views
- Last post by mr_e_man
Thu Jun 03, 2021 4:49 pm
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- Non-Euclidean Falling Block Game
by ICN5D » Fri Oct 23, 2020 10:01 pm
- 2 Replies
- 4815 Views
- Last post by ICN5D
Fri May 07, 2021 11:41 pm
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- Higher Dimensional Flower of Life?
by PatrickPowers » Fri Feb 26, 2021 2:00 pm
- 5 Replies
- 6607 Views
- Last post by PatrickPowers
Sun Feb 28, 2021 10:01 pm
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- Videos of 4D Tori and Sphere Rotating
by PatrickPowers » Fri Feb 26, 2021 3:35 pm
- 0 Replies
- 3654 Views
- Last post by PatrickPowers
Fri Feb 26, 2021 3:35 pm
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- Schlegal diagram coordinates for 3d viewports
by Drixxen_Vellumer » Fri Feb 26, 2021 7:45 am
- 0 Replies
- 3736 Views
- Last post by Drixxen_Vellumer
Fri Feb 26, 2021 7:45 am
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- New uniform bollochora.
by wendy » Mon Feb 15, 2021 8:58 am
- 4 Replies
- 5925 Views
- Last post by wendy
Mon Feb 15, 2021 9:01 am
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- "Bihexagonal" lattice?
by The Shadow » Wed Dec 02, 2020 8:25 pm
- 4 Replies
- 5921 Views
- Last post by Challenger007
Thu Dec 10, 2020 4:21 pm
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- Rotations of 3+D implicit equations
by 개구리 » Mon Sep 14, 2020 3:52 am
- 2 Replies
- 4732 Views
- Last post by ICN5D
Wed Oct 21, 2020 10:29 pm
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- hypersolid angles and hypersine
by Klitzing » Sat Jan 11, 2020 12:12 pm
- 1 Replies
- 5944 Views
- Last post by wendy
Tue Jan 14, 2020 9:42 am
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- Hyperbolic polyforms
by Marek14 » Wed Dec 19, 2018 8:56 am
- 10 Replies
- 12262 Views
- Last post by Marek14
Sat Jan 04, 2020 4:58 pm
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- Penrose staircase
by Marek14 » Thu Oct 10, 2019 7:34 pm
- 1 Replies
- 4664 Views
- Last post by mr_e_man
Mon Dec 02, 2019 8:30 pm
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- Volume of polytopes
by mr_e_man » Thu Feb 14, 2019 9:10 am
- 5 Replies
- 8025 Views
- Last post by mr_e_man
Mon Aug 19, 2019 9:01 pm
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- Hopf fibration with bivectors
by mr_e_man » Thu Dec 13, 2018 7:41 pm
- 3 Replies
- 6622 Views
- Last post by PatrickPowers
Thu Jul 25, 2019 4:36 pm
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- Mathematic enumeration of stellated dodecaplexes
by pentagonalpolytope747 » Wed May 22, 2019 7:23 pm
- 12 Replies
- 14003 Views
- Last post by wendy
Mon May 27, 2019 9:46 am
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- Edge symmetries in tilings
by Marek14 » Sun May 19, 2019 12:43 pm
- 0 Replies
- 4495 Views
- Last post by Marek14
Sun May 19, 2019 12:43 pm
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- Can somone explain the naming system Bowers and Coxeter uses
by ubersketch » Wed Apr 04, 2018 7:39 pm
- 9 Replies
- 12326 Views
- Last post by Mecejide
Mon Apr 15, 2019 4:06 am
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- Can coxeter notation enumerate all symmetry groups?
by ubersketch » Tue Feb 26, 2019 5:15 pm
- 1 Replies
- 4556 Views
- Last post by wendy
Wed Feb 27, 2019 9:34 am
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- Correct derivation of angle between two surtopes
by quickfur » Mon Feb 11, 2019 7:47 pm
- 4 Replies
- 7359 Views
- Last post by quickfur
Wed Feb 13, 2019 10:29 pm
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- Generalization of Steffen's polyhedron?
by quickfur » Mon Feb 11, 2019 8:17 pm
- 5 Replies
- 7735 Views
- Last post by quickfur
Tue Feb 12, 2019 4:23 pm
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- Hybrid geometry?
by Marek14 » Thu Dec 20, 2018 6:07 pm
- 5 Replies
- 8222 Views
- Last post by Marek14
Thu Feb 07, 2019 9:12 pm
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- A convoluted and bad way to notate symmetry.
by ubersketch » Fri Jan 11, 2019 10:44 pm
- 0 Replies
- 4321 Views
- Last post by ubersketch
Fri Jan 11, 2019 10:44 pm
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- Perpendicular Cross Products
by anderscolingustafson » Wed Apr 30, 2014 10:06 pm
- 6 Replies
- 10755 Views
- Last post by PatrickPowers
Tue Nov 27, 2018 11:43 pm
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- Flat Klein bottle in 6D
by mr_e_man » Thu Sep 27, 2018 6:48 pm
- 2 Replies
- 5754 Views
- Last post by mr_e_man
Mon Nov 26, 2018 12:15 pm
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- Cartesian Geometry beyond Dimensions.
by ubersketch » Sun Nov 18, 2018 7:53 pm
- 0 Replies
- 4290 Views
- Last post by ubersketch
Sun Nov 18, 2018 7:53 pm
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- 3D Projection of a Klein Bottle
by ICN5D » Sun Oct 02, 2016 6:48 pm
- 10 Replies
- 16669 Views
- Last post by ICN5D
Sun Sep 30, 2018 9:04 pm
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- My pet theory about linear transformations
by quickfur » Sun Jan 15, 2006 4:14 am
- 6 Replies
- 10837 Views
- Last post by mr_e_man
Fri Sep 21, 2018 3:53 am
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- Curvy 4D objects with non-orientable surface elements?
by quickfur » Fri Apr 27, 2018 11:57 pm
- 2 Replies
- 5688 Views
- Last post by quickfur
Tue May 01, 2018 3:52 am
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- Strange polytope in H3
by wendy » Mon Feb 12, 2018 9:02 am
- 3 Replies
- 6564 Views
- Last post by ubersketch
Wed Feb 14, 2018 10:42 pm
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- Johnson Conjugates
by ubersketch » Fri Feb 09, 2018 11:14 pm
- 10 Replies
- 12415 Views
- Last post by ubersketch
Tue Feb 13, 2018 11:15 pm
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- Parametric Functions - A New Development
by ICN5D » Tue Jan 02, 2018 3:26 am
- 18 Replies
- 28920 Views
- Last post by quickfur
Mon Feb 05, 2018 5:39 am
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- Hyperbolic tesselations with same edge length?
by Marek14 » Mon Jan 29, 2018 2:58 pm
- 2 Replies
- 5277 Views
- Last post by Marek14
Tue Jan 30, 2018 8:52 am
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- General honeycombs?
by Marek14 » Thu Nov 30, 2017 11:37 am
- 6 Replies
- 10746 Views
- Last post by Marek14
Sun Dec 03, 2017 5:57 pm
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- Ratio of n-volumes of hypercube and hyperball
by quickfur » Tue Oct 31, 2017 12:54 am
- 1 Replies
- 4780 Views
- Last post by quickfur
Tue Oct 31, 2017 1:12 am
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- What shape is this?
by The Shadow » Tue Jan 17, 2017 8:57 pm
- 3 Replies
- 6645 Views
- Last post by The Shadow
Wed Jan 18, 2017 3:26 am
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- Bicircular tegum surface volume?
by The Shadow » Wed Nov 02, 2016 3:37 pm
- 5 Replies
- 8654 Views
- Last post by wendy
Sun Nov 06, 2016 11:42 am
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- skew polytopes / skeletal polytopes
by Klitzing » Sat Oct 15, 2016 4:42 pm
- 8 Replies
- 10214 Views
- Last post by wendy
Sat Oct 22, 2016 10:55 am
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