Add Yahoo as a preferred source to see more of our stories on Google. Computer generated image of concentric rings around a central shaded hat (dark blue). Look carefully! Mathematicians have invented ...
The discovery earlier this year of the “hat” tile marked the culmination of hundreds of years of work into tiles and their symmetries. Every day we see examples of repeating motifs. This symmetry and ...
The recently discovered “hat” aperiodic monotile admits tilings of the plane, but none that are periodic [SMKGS23]. This polygon settles the question of whether a single shape—a closed topological ...
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