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Packing a Tetrahedron by Similar Tetrahedra

  • Janusz Januszewski,
  • Łukasz Zielonka

摘要

Any collection of homothetic copies of some tetrahedron \(T_r\) T r , whose total volume does not exceed one quarter of the volume of \(T_r\) T r , can be packed into  \(T_r\) T r .