A Helly Type Theorem for Abstract Projective Geometries

作者：Arocha Jorge L^*; Bracho Javier

来源：Discrete & Computational Geometry, 2011, 45(2): 223-229.

DOI：10.1007/s00454-010-9287-7

• Helly type theorems
• Projective geometry
• Linear partition
• Modular lattice

We prove that the lattice of linear partitions in a projective geometry of rank n has Helly number aOES3n/2aOE <.

• 出版日期2011-3