Let C denote the category of compact Hausdorff spaces and continuous maps and H:C → HC the homotopy functor to the homotopy category. Let S:C → SC denote the functor of shape in the sense of ...
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'Singing' electrons synchronize in Kagome crystals, revealing geometry-driven quantum coherence
Physicists at the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) in Hamburg have discovered a striking ...
Infinitely many copies of a 13-sided shape can be arranged with no overlaps or gaps in a pattern that never repeats. David Smith, Joseph Samuel Myers, Craig S. Kaplan and Chaim Goodman-Strauss (CC BY ...
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