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DCG
2007
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14 years 13 days ago
Packing Cones and Their Negatives in Space
Let C be a cone in R3 whose base B is a planar convex body in a horizontal plane π and whose tip is a point v /∈ π. Let C be a packing formed by translates of C and −C in R3...
Imre Bárány, Jirí Matousek