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Common Tangents to Spheres in R^3
We prove that four spheres in $\R^3$ have infinitely many real common tangents if and only if they have aligned centers and at least one real common tangent. -
On the Number of Lines Tangent to Four Convex Polyhedra
Colloque avec actes sans comité de lecture. internationale. -
Transversals to Line Segments in R3
Colloque avec actes et comité de lecture. internationale. -
The expected number of 3D visibility events is linear
International audience -
On the number of line tangents to four triangles in three-dimensional space
Colloque avec actes et comité de lecture. internationale.
