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CCCG
2010
14 years 1 months ago
Ghost chimneys
A planar point set S is an (i, t) set of ghost chimneys if there exist lines H0, H1, . . . , Ht-1 such that the orthogonal projection of S onto Hj consists of exactly i + j distin...
David Charlton, Erik D. Demaine, Martin L. Demaine...