BIRS Workshop Lecture Videos

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BIRS Workshop Lecture Videos

Helly numbers for crystals and cut-and-project sets. Garber, Alexey


In this talk I'll explain why finite Helly numbers exist for periodic and certain quasiperiodic sets in Euclidean space of any dimension though the bounds in the latter case seem to be extremely non-optimal. I'll also show that for a wider class of Meyer sets Helly numbers could be infinite.

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