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20022026
most citedFirst M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

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Showing 2009 · math.COShow all

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math.CO2009★ 3 cited

Helly-type Theorems for Hollow Axis-aligned Boxes

Konrad J. Swanepoel

A hollow axis-aligned box is the boundary of the cartesian product of compact intervals in R^d. We show that for d\geq 3, if any 2^d of a collection of hollow axis-aligned boxe…