2009
More on an Erdos-Szekeres-Type Problem for Interior Points.
Discret. Comput. Geom., 2009

2008
H-triangles with k interior H-points.
Discret. Math., 2008

On the number of empty convex quadrilaterals of a finite set in the plane.
Appl. Math. Lett., 2008

2007
On Relatively Short Sides of Convex Hexagons.
Ars Comb., 2007

2006
A 4-isosceles 7-point Set with Both Circle and Linear Restrictions.
Ars Comb., 2006

2005
Fitting Triangles into Rectangles.
Proceedings of the Discrete Geometry, 2005

Reconfirmation of Two Results on Disjoint Empty Convex Polygons.
Proceedings of the Discrete Geometry, 2005

2003
Helly-type problems for convex quadrilaterals in the plane.
Australas. J Comb., 2003