Masatsugu Urabe

According to our database, Masatsugu Urabe authored at least 19 papers between 1986 and 2020.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of two.

2020

Specified holes with pairwise disjoint interiors in planar point sets.

Kiyoshi Hosono, Masatsugu Urabe

AKCE Int. J. Graphs Comb., 2020

2007

A Minimal Planar Point Set with Specified Disjoint Empty Convex Subsets.

Kiyoshi Hosono, Masatsugu Urabe

Proceedings of the Computational Geometry and Graph Theory, 2007

2004

Constructions from empty polygons.

Tibor Bisztriczky, Kiyoshi Hosono, Gyula Károlyi, Masatsugu Urabe

Period. Math. Hung., 2004

On the Minimum Size of a Point Set Containing Two Non-intersecting Empty Convex Polygons.

Kiyoshi Hosono, Masatsugu Urabe

Proceedings of the Discrete and Computational Geometry, Japanese Conference, 2004

2003

On a Triangle with the Maximum Area in a Planar Point Set.

Kiyoshi Hosono, Ferran Hurtado, Masatsugu Urabe, Jorge Urrutia

Proceedings of the Combinatorial Geometry and Graph Theory, 2003

2002

Partitioning a Planar Point Set into Empty Convex Polygons.

Ren Ding, Kiyoshi Hosono, Masatsugu Urabe, Changqing Xu

Proceedings of the Discrete and Computational Geometry, Japanese Conference, 2002

2001

On the existence of a point subset with a specified number of interior points.

David Avis, Kiyoshi Hosono, Masatsugu Urabe

Discret. Math., 2001

On the number of disjoint convex quadrilaterals for a planar point set.

Kiyoshi Hosono, Masatsugu Urabe

Comput. Geom., 2001

2000

On Convex Decompositions of Points.

Kiyoshi Hosono, David Rappaport, Masatsugu Urabe

Proceedings of the Discrete and Computational Geometry, Japanese Conference, 2000

1999

Partitioning point sets in space into disjoint convex polytopes.

Masatsugu Urabe

Comput. Geom., 1999

1998

On the Existence of a Point Subset with 4 or 5 Interior Points.

David Avis, Kiyoshi Hosono, Masatsugu Urabe

Proceedings of the Discrete and Computational Geometry, Japanese Conference, 1998

On a disjoint quadrilateral partition for a given point se.

Kiyoshi Hosono, Masatsugu Urabe

Proceedings of the 10th Canadian Conference on Computational Geometry, 1998

1997

On a partition of point sets into convex polygons.

Masatsugu Urabe

Proceedings of the 9th Canadian Conference on Computational Geometry, 1997

1996

Topics on line segments and polygons.

Kiyoshi Hosono, Masatsugu Urabe, Mamoru Watanabe

Discret. Math., 1996

On circles containing the maximum number of points.

Jin Akiyama, Y. Ishigami, Masatsugu Urabe, Jorge Urrutia

Discret. Math., 1996

on a Partition into Convex Polygons.

Masatsugu Urabe

Discret. Appl. Math., 1996

1993

Some combinatorial problems.

Jin Akiyama, Kiyoshi Hosono, Masatsugu Urabe

Discret. Math., 1993

1992

On a Counterexample to a Conjecture of Mirzaian.

Masatsugu Urabe, Mamoru Watanabe

Comput. Geom., 1992

1986

A decomposition of complete bipartite graphs into edge-disjoint subgraphs with star components.

Yoshimi Egawa, Masatsugu Urabe, Toshihito Fukuda, Seiichiro Nagoya

Discret. Math., 1986