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Discrete Mathematics
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Demonstrations 21  40 of 1086
Frederickson's Dissection of a Regular Dodecagon into Two Congruent Regular Dodecagons
Theobald's Dissection of One Regular Octagon into Two
PTsymmetric Quantum Walks and Centrality Testing on Directed Graphs
Frederickson's Second Dissection of an Octagon to Five Octagons
Golomb Rulers and Fibonacci Sequences
Frederickson's Hinged Dissection of Five Decagons to One
Lindgren's Symmetrical Decompositions of Regular 2nGons
Frederickson's Dissection of an Octagon to Five Octagons
Rhombus Puzzle to Create Logos for Tokyo 2020 Olympic and Paralympic Games
Olympic Logos Based on Hanegraaf's Dissection of a Dodecagon to Five Dodecagons
Another Hinged Dissection of One Pentagon to Five Pentagons
Logos Based on a Dissection of One Pentagon to Five Pentagons
Freese's Dissection of Four Equilateral Triangles into One
Domino Substitution Tilings
NowhereNeat Tilings of the Plane
Examples of Limits of Real Sequences
Penrose's Train Challenge
Reye's Configuration
The Comet Tile
Irreptiles
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