Displaying similar documents to “Lie algebras graded by the root system B C 1 .”

On the structure of sets with small doubling property on the plane (I)

Yonutz Stanchescu (1998)

Acta Arithmetica


Let K be a finite set of lattice points in a plane. We prove that if |K| is sufficiently large and |K+K| < (4 - 2/s)|K| - (2s-1), then there exist s - 1 parallel lines which cover K. We also obtain some more precise structure theorems for the cases s = 3 and s = 4.

Square-ice enumeration.

Lascoux, Alain (1999)

Séminaire Lotharingien de Combinatoire [electronic only]