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The Plastic Pentagon - A new tile system
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2
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76
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October 31, 2026
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From a rubber face to a hanging curtain
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0
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32
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October 30, 2026
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Elliptic curves in Weierstrass normal form
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1
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78
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October 27, 2026
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Winners of the OEIS 400K milestone contest
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1
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130
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October 26, 2026
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Light that twists: optical skyrmions, topological geometry, and photonic engineering
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1
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81
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October 26, 2026
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Sphere-filling curve 2: scalable self-avoiding paths on a sphere via traveling salesman tours, geodesic polyhedra and Hamiltonian cycles
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1
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99
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October 23, 2026
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Mathematical Games: sporadic similar triangles
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1
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164
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October 22, 2026
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Dandeline spheres parabola case final version
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0
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64
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October 21, 2026
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Dentelée of a curve: computational geometry methods for curvilinear edge analysis
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0
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74
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October 20, 2026
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Circular hyperbolic cubic: a geometric envelope construction
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0
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76
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October 19, 2026
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Penrose stairs or impossible staircase: formation from real 3D object by projection
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1
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729
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October 19, 2026
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Three geometric constructions of the Devil's curve
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0
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70
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October 18, 2026
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Hügelschäffer Egg: construction of an egg-shaped curve and its surface of revolution
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1
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157
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October 15, 2026
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Packing an ellipse inside an isosceles triangle
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0
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63
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October 14, 2026
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The quantum cartographer: mapping curvature, topology, and geodesics in quantum state space
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1
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197
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October 13, 2026
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The Delanges trisectrix and its inversion to Dürer's folium
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0
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95
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October 12, 2026
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The physical mechanics of discrete hypergraphs: TTDS framework and the resolution of quantum non-locality
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0
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70
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October 12, 2026
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Albert Dürer folium
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0
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70
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October 11, 2026
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Triangle inside-out is square: looped 2D-3D transform for optimal Dudeney’s dissection
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1
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456
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October 6, 2026
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Hügelschäffer egg
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0
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86
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October 5, 2026
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Sparrow problem
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0
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60
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October 4, 2026
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Directional derivatives and movement on the air
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0
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47
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October 3, 2026
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Directional derivatives and gradient
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0
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72
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October 2, 2026
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Majorana honeycomb: Kitaev spin liquid, topological bands, and Majorana modes
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1
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213
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October 1, 2026
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Derived from a scalar field
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0
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40
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October 1, 2026
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Growth character of scalar field
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0
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38
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September 30, 2026
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Sphere-filling curve 1: generating continuous self-avoiding paths on geodesic polyhedra via dual graph Hamiltonian cycles
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1
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126
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September 29, 2026
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Hypocycloids and epicycloids
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0
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56
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September 29, 2026
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Area of a revolution surface formed by turning a section of a parabola
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0
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37
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September 28, 2026
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Nephroid (kidney shaped curve)
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0
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62
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September 27, 2026
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