2024
A Farewell to Eli Goodman.
Discret. Comput. Geom., September, 2024
Discret. Comput. Geom., September, 2024
Where Have All the Grasshoppers Gone?
Am. Math. Mon., March, 2024
Disjointness graphs of short polygonal chains.
J. Comb. Theory B, January, 2024
Random Necklaces Require Fewer Cuts.
SIAM J. Discret. Math., 2024
J. Comb. Theory, Ser. A, 2024
Quasiplanar graphs, string graphs, and the Erdős-Gallai problem.
Eur. J. Comb., 2024
Beyond-Planar Graphs: Models, Structures and Geometric Representations (Dagstuhl Seminar 24062).
Dagstuhl Reports, 2024
Partitioning complete geometric graphs into plane subgraphs.
CoRR, 2024
Enumeration of Intersection Graphs of x-Monotone Curves.
Proceedings of the 32nd International Symposium on Graph Drawing and Network Visualization, 2024
Partitioning Complete Geometric Graphs on Dense Point Sets into Plane Subgraphs.
Proceedings of the 32nd International Symposium on Graph Drawing and Network Visualization, 2024
A Structure Theorem for Pseudo-Segments and Its Applications.
Proceedings of the 40th International Symposium on Computational Geometry, 2024
Maximum Betti Numbers of Čech Complexes.
Proceedings of the 40th International Symposium on Computational Geometry, 2024
2023
Optimal Embedded and Enclosing Isosceles Triangles.
Int. J. Found. Comput. Sci., November, 2023
Sunflowers in Set Systems of Bounded Dimension.
Comb., February, 2023
Successive vertex orderings of fully regular graphs.
J. Comb. Theory A, 2023
Two trees are better than one.
CoRR, 2023
Decomposition of Geometric Graphs into Star-Forests.
Proceedings of the Graph Drawing and Network Visualization - 31st International Symposium, 2023
2022
Exchange Properties of Finite Set-Systems.
SIAM J. Discret. Math., September, 2022
Weight balancing on boundaries.
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J. Comput. Geom., 2022
Crossings between non-homotopic edges.
J. Comb. Theory B, 2022
On Well-Connected Sets of Strings.
Electron. J. Comb., 2022
2021
The number of crossings in multigraphs with no empty lens.
J. Graph Algorithms Appl., 2021
Erdős-Hajnal-type results for monotone paths.
J. Comb. Theory B, 2021
Disjointness graphs of segments in the space.
Comb. Probab. Comput., 2021
Bounded VC-Dimension Implies the Schur-Erdős Conjecture.
Comb., 2021
On the Number of Edges of Separated Multigraphs.
Proceedings of the Graph Drawing and Network Visualization - 29th International Symposium, 2021
2020
Large Homogeneous Submatrices.
SIAM J. Discret. Math., 2020
Minimum Area Isosceles Containers.
J. Inf. Process., 2020
On the chromatic number of disjointness graphs of curves.
J. Comb. Theory B, 2020
A Crossing Lemma for Multigraphs.
Discret. Comput. Geom., 2020
Almost All String Graphs are Intersection Graphs of Plane Convex Sets.
Discret. Comput. Geom., 2020
A Farewell to Ricky Pollack.
Discret. Comput. Geom., 2020
2019
Many touchings force many crossings.
J. Comb. Theory B, 2019
Ordered graphs and large bi-cliques in intersection graphs of curves.
Eur. J. Comb., 2019
Erdős-Hajnal Conjecture for Graphs with Bounded VC-Dimension.
Discret. Comput. Geom., 2019
Thrackles: An improved upper bound.
Discret. Appl. Math., 2019
Beyond-Planar Graphs: Combinatorics, Models and Algorithms (Dagstuhl Seminar 19092).
Dagstuhl Reports, 2019
A lower bound on opaque sets.
Comput. Geom., 2019
Approximating the rectilinear crossing number.
Comput. Geom., 2019
On the Size of K-Cross-Free Families.
Comb., 2019
Planar point sets determine many pairwise crossing segments.
Proceedings of the 51st Annual ACM SIGACT Symposium on Theory of Computing, 2019
Coloring Hasse Diagrams and Disjointness Graphs of Curves.
Proceedings of the Graph Drawing and Network Visualization - 27th International Symposium, 2019
Semi-Algebraic Colorings of Complete Graphs.
Proceedings of the 35th International Symposium on Computational Geometry, 2019
2018
A stability theorem on cube tessellations.
J. Comput. Geom., 2018
Tilings with noncongruent triangles.
Eur. J. Comb., 2018
Note on k-planar crossing numbers.
Comput. Geom., 2018
Ramsey-Turán Numbers for Semi-Algebraic Graphs.
Electron. J. Comb., 2018
More Distinct Distances Under Local Conditions.
Comb., 2018
2017
From Tarski's Plank Problem to Simultaneous Approximation.
Am. Math. Mon., 2017
Decomposition of a Cube into Nearly Equal Smaller Cubes.
Am. Math. Mon., 2017
Distinct Distances on Algebraic Curves in the Plane.
Comb. Probab. Comput., 2017
Tilings of the plane with unit area triangles of bounded diameter.
CoRR, 2017
A Crossing Lemma for Jordan Curves.
CoRR, 2017
Controlling Lipschitz functions.
CoRR, 2017
Disjointness Graphs of Segments.
Proceedings of the 33rd International Symposium on Computational Geometry, 2017
2016
A Polynomial Regularity Lemma for Semialgebraic Hypergraphs and Its Applications in Geometry and Property Testing.
SIAM J. Comput., 2016
On the Zarankiewicz problem for intersection hypergraphs.
J. Comb. Theory A, 2016
Separation with restricted families of sets.
J. Comb. Theory A, 2016
Thirtieth Anniversary Note from the Editors in Chief.
Discret. Comput. Geom., 2016
Discret. Comput. Geom., 2016
Beyond-Planar Graphs: Algorithmics and Combinatorics (Dagstuhl Seminar 16452).
Dagstuhl Reports, 2016
Decomposition of Multiple Packings with Subquadratic Union Complexity.
Comb. Probab. Comput., 2016
On the Richter-Thomassen Conjecture about Pairwise Intersecting Closed Curves.
Comb. Probab. Comput., 2016
Beyond the Richter-Thomassen Conjecture.
Proceedings of the Twenty-Seventh Annual ACM-SIAM Symposium on Discrete Algorithms, 2016
New Lower Bounds for epsilon-Nets.
Proceedings of the 32nd International Symposium on Computational Geometry, 2016
2015
A Precise Threshold for Quasi-Ramsey Numbers.
SIAM J. Discret. Math., 2015
Every graph admits an unambiguous bold drawing.
J. Graph Algorithms Appl., 2015
The Erdős-Hajnal conjecture for rainbow triangles.
J. Comb. Theory B, 2015
Cross-Intersecting Families of Vectors.
Graphs Comb., 2015
A polynomial regularity lemma for semi-algebraic hypergraphs and its applications in geometry and property testing.
CoRR, 2015
Remarks on Schur's conjecture.
Comput. Geom., 2015
Saturated simple and k-simple topological graphs.
Comput. Geom., 2015
Unsplittable Coverings in the Plane.
Proceedings of the Graph-Theoretic Concepts in Computer Science, 2015
Density and regularity theorems for semi-algebraic hypergraphs.
Proceedings of the Twenty-Sixth Annual ACM-SIAM Symposium on Discrete Algorithms, 2015
Simultaneous Approximation of Polynomials.
Proceedings of the Discrete and Computational Geometry and Graphs - 18th Japan Conference, 2015
2014
On the Upward Planarity of Mixed Plane Graphs.
J. Graph Algorithms Appl., 2014
Homogeneous selections from hyperplanes.
J. Comb. Theory B, 2014
Applications of a New Separator Theorem for String Graphs.
Comb. Probab. Comput., 2014
The visible perimeter of an arrangement of disks.
Comput. Geom., 2014
On grids in topological graphs.
Comput. Geom., 2014
A Note on Coloring Line Arrangements.
Electron. J. Comb., 2014
Weight Balancing on Boundaries and Skeletons.
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Proceedings of the 30th Annual Symposium on Computational Geometry, 2014
2013
Drawing Planar Graphs of Bounded Degree with Few Slopes.
SIAM J. Discret. Math., 2013
The Number of Edges in k-Quasi-planar Graphs.
SIAM J. Discret. Math., 2013
On the Queue Number of Planar Graphs.
SIAM J. Comput., 2013
The number of distinct distances from a vertex of a convex polygon.
J. Comput. Geom., 2013
Electron. Notes Discret. Math., 2013
Monochromatic empty triangles in two-colored point sets.
Discret. Appl. Math., 2013
The Range of a Random Walk on a Comb.
Electron. J. Comb., 2013
Ramsey-type results for semi-algebraic relations.
Proceedings of the Symposium on Computational Geometry 2013, 2013
A Remark on Transversal Numbers.
Proceedings of the Mathematics of Paul Erdős I, 2013
2012
Piercing quasi-rectangles - On a problem of Danzer and Rogers.
J. Comb. Theory A, 2012
Coloring K<sub>k</sub>-free intersection graphs of geometric objects in the plane.
Eur. J. Comb., 2012
Tangencies between families of disjoint regions in the plane.
Comput. Geom., 2012
Lower Bounds on the Obstacle Number of Graphs.
Electron. J. Comb., 2012
Drawing Hamiltonian Cycles with no Large Angles.
Electron. J. Comb., 2012
Remarks on a Ramsey theory for trees.
Comb., 2012
How Many Potatoes Are in a Mesh?
Proceedings of the Algorithms and Computation - 23rd International Symposium, 2012
String graphs and incomparability graphs.
Proceedings of the 28th ACM Symposium on Computational Geometry, 2012
2011
Conway's Conjecture for Monotone Thrackles.
Am. Math. Mon., 2011
Intersection patterns of curves.
J. Lond. Math. Soc., 2011
On the Structure of Graphs with Low Obstacle Number.
Graphs Comb., 2011
Minimum Clique Partition in Unit Disk Graphs.
Graphs Comb., 2011
Letter from the New Editors-in-Chief.
Discret. Comput. Geom., 2011
A computational approach to Conway's thrackle conjecture.
Comput. Geom., 2011
Disjoint homometric sets in graphs.
Ars Math. Contemp., 2011
Computing the Independence Number of Intersection Graphs.
Proceedings of the Twenty-Second Annual ACM-SIAM Symposium on Discrete Algorithms, 2011
Overlap properties of geometric expanders.
Proceedings of the Twenty-Second Annual ACM-SIAM Symposium on Discrete Algorithms, 2011
Proceedings of the Computational Geometry - XIV Spanish Meeting on Computational Geometry, 2011
Monotone Crossing Number.
Proceedings of the Graph Drawing - 19th International Symposium, 2011
Tight lower bounds for the size of epsilon-nets.
Proceedings of the 27th ACM Symposium on Computational Geometry, 2011
2010
Crossing numbers of imbalanced graphs.
J. Graph Theory, 2010
Cubic graphs have bounded slope parameter.
J. Graph Algorithms Appl., 2010
Coloring axis-parallel rectangles.
J. Comb. Theory A, 2010
A bipartite strengthening of the Crossing Lemma.
J. Comb. Theory B, 2010
A Separator Theorem for String Graphs and its Applications.
Comb. Probab. Comput., 2010
Small (2,s)-colorable graphs without 1-obstacle representations
CoRR, 2010
"square trisection". dissection of a square in three congruent partitions.
Bull. dInformatique Approfondie et Appl., 2010
Graphs with Large Obstacle Numbers.
Proceedings of the Graph Theoretic Concepts in Computer Science, 2010
Crossings between Curves with Many Tangencies.
Proceedings of the WALCOM: Algorithms and Computation, 4th International Workshop, 2010
2009
Delaunay graphs of point sets in the plane with respect to axis-parallel rectangles.
Random Struct. Algorithms, 2009
A bipartite analogue of Dilworth's theorem for multiple partial orders.
Eur. J. Comb., 2009
Degenerate Crossing Numbers.
Discret. Comput. Geom., 2009
Intersecting Convex Sets by Rays.
Discret. Comput. Geom., 2009
On Regular Vertices of the Union of Planar Convex Objects.
Discret. Comput. Geom., 2009
Conflict-Free Colourings of Graphs and Hypergraphs.
Comb. Probab. Comput., 2009
Decomposition of multiple coverings into many parts.
Comput. Geom., 2009
Why Are String Graphs So Beautiful?
Proceedings of the Graph Drawing, 17th International Symposium, 2009
2008
Reconfigurations in Graphs and Grids.
SIAM J. Discret. Math., 2008
On planar intersection graphs with forbidden subgraphs.
J. Graph Theory, 2008
Sliding Disks in the Plane.
Int. J. Comput. Geom. Appl., 2008
On Simplices Embracing a Point.
Electron. Notes Discret. Math., 2008
Long alternating paths in bicolored point sets.
Discret. Math., 2008
Discret. Comput. Geom., 2008
Drawing cubic graphs with at most five slopes.
Comput. Geom., 2008
Convexly Independent Subsets of the Minkowski Sum of Planar Point Sets.
Electron. J. Comb., 2008
Points surrounding the origin.
Comb., 2008
Coloring <i>k<sub>k</sub></i>-free intersection graphs of geometric objects in the plane.
Proceedings of the 24th ACM Symposium on Computational Geometry, 2008
2007
Online Conflict-Free Coloring for Intervals.
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SIAM J. Comput., 2007
Opposite-Quadrant Depth in the Plane.
Graphs Comb., 2007
Solution of Scott's Problem on the Number of Directions Determined by a Point Set in 3-Space.
Discret. Comput. Geom., 2007
Discret. Comput. Geom., 2007
On regular vertices on the union of planar objects.
Proceedings of the 23rd ACM Symposium on Computational Geometry, 2007
2006
Planar Crossing Numbers of Graphs Embeddable in Another Surface.
Int. J. Found. Comput. Sci., 2006
On the diameter of separated point sets with many nearly equal distances.
Eur. J. Comb., 2006
Improving the Crossing Lemma by Finding More Crossings in Sparse Graphs.
Discret. Comput. Geom., 2006
Nearly equal distances and Szemerédi's regularity lemma.
Comput. Geom., 2006
Bounded-Degree Graphs can have Arbitrarily Large Slope Numbers.
Electron. J. Comb., 2006
How Many Ways Can One Draw A Graph?
Comb., 2006
2005
J. Graph Algorithms Appl., 2005
Crossing patterns of semi-algebraic sets.
J. Comb. Theory A, 2005
Topological Graphs with No Large Grids.
Graphs Comb., 2005
Online conflict-free coloring for intervals.
Proceedings of the Sixteenth Annual ACM-SIAM Symposium on Discrete Algorithms, 2005
Crossing Number of Toroidal Graphs.
Proceedings of the Graph Drawing, 13th International Symposium, 2005
Forbidden patterns and unit distances.
Proceedings of the 21st ACM Symposium on Computational Geometry, 2005
Indecomposable Coverings.
Proceedings of the Discrete Geometry, 2005
Research problems in discrete geometry.
Springer, 2005
2004
Proceedings of the Handbook of Discrete and Computational Geometry, Second Edition., 2004
Finite Point Configurations.
Proceedings of the Handbook of Discrete and Computational Geometry, Second Edition., 2004
Monotone drawings of planar graphs.
J. Graph Theory, 2004
On the number of directions determined by a three-dimensional points set.
J. Comb. Theory A, 2004
Lenses in arrangements of pseudo-circles and their applications.
J. ACM, 2004
Geometric graphs with no self-intersecting path of length three.
Eur. J. Comb., 2004
Distinct Distances in Three and Higher Dimensions.
Comb. Probab. Comput., 2004
Improving the crossing lemma by finding more crossings in sparse graphs: [extended abstract].
Proceedings of the 20th ACM Symposium on Computational Geometry, 2004
2003
How Many Unit Equilateral Triangles Can Be Generated by N Points in Convex Position?
Am. Math. Mon., 2003
Unavoidable Configurations in Complete Topological Graphs.
Discret. Comput. Geom., 2003
The Union of Congruent Cubes in Three Dimensions.
Discret. Comput. Geom., 2003
Disjoint Edges in Topological Graphs.
Proceedings of the Combinatorial Geometry and Graph Theory, 2003
A tight bound for the number of different directions in three dimensions.
Proceedings of the 19th ACM Symposium on Computational Geometry, 2003
2002
On the Boundary Complexity of the Union of Fat Triangles.
SIAM J. Comput., 2002
Covering lattice points by subspaces.
Period. Math. Hung., 2002
Partitioning Colored Point Sets into Monochromatic Parts.
Int. J. Comput. Geom. Appl., 2002
Isosceles Triangles Determined by a Planar Point Set.
Graphs Comb., 2002
Recognizing String Graphs Is Decidable.
Discret. Comput. Geom., 2002
Discret. Comput. Geom., 2002
Relaxing Planarity for Topological Graphs.
Proceedings of the Discrete and Computational Geometry, Japanese Conference, 2002
Lenses in arrangements of pseudo-circles and their applications.
Proceedings of the 18th Annual Symposium on Computational Geometry, 2002
2001
Crossing Patterns of Segments.
J. Comb. Theory A, 2001
The Maximum Number of Times the Same Distance Can Occur among the Vertices of a Convex n-gon Is O(n log n).
J. Comb. Theory A, 2001
Embedding Planar Graphs at Fixed Vertex Locations.
Graphs Comb., 2001
Radial Points in the Plane.
Eur. J. Comb., 2001
Separating convex sets by straight lines.
Discret. Math., 2001
On the Number of Balanced Lines.
Discret. Comput. Geom., 2001
Common Tangents to Four Unit Balls in <i>R</i><sup>3</sup>.
Discret. Comput. Geom., 2001
Ramsey-type Theorems with Forbidden Subgraphs.
Comb., 2001
2000
Which Crossing Number Is It Anyway?
J. Comb. Theory B, 2000
Bichromatic Lines with Few Points.
J. Comb. Theory A, 2000
Discret. Comput. Geom., 2000
New Bounds on Crossing Numbers.
Discret. Comput. Geom., 2000
Cellular telephone networks and random maps in hypergraphs.
Discret. Appl. Math., 2000
Structure Theorems for Systems of Segments.
Proceedings of the Discrete and Computational Geometry, Japanese Conference, 2000
On the Complexity of the Union of Geometric Objects.
Proceedings of the Discrete and Computational Geometry, Japanese Conference, 2000
Unavoidable Configurations in Complete Topological Graphs.
Proceedings of the Graph Drawing, 8th International Symposium, 2000
1999
Discrete And Computational Geometry.
Proceedings of the Handbook of Discrete and Combinatorial Mathematics., 1999
Popular distances in 3-space.
Discret. Math., 1999
On the Boundary of the Union of Planar Convex Sets.
Discret. Comput. Geom., 1999
Uniformly Distributed Distances - a Geometric Application of Janson's Inequality.
Comb., 1999
1998
A Generalization of the Erdos - Szekeres Theorem to Disjoint Convex Sets.
Discret. Comput. Geom., 1998
Canonical Theorems for Convex Sets.
Discret. Comput. Geom., 1998
Discret. Comput. Geom., 1998
Ramsey-Type Results for Geometric Graphs, II.
Discret. Comput. Geom., 1998
Extremal Problems for Geometric Hypergraphs.
Discret. Comput. Geom., 1998
On the Number of Incidences Between Points and Curves.
Comb. Probab. Comput., 1998
On circumscribing polygons for line segments.
Comput. Geom., 1998
A Tverberg-type result on multicolored simplices.
Comput. Geom., 1998
Proceedings of the Discrete and Computational Geometry, Japanese Conference, 1998
1997
On Conway's Thrackle Conjecture.
Discret. Comput. Geom., 1997
Ramsey-Type Results for Geometric Graphs, I.
Discret. Comput. Geom., 1997
Graphs Drawn with Few Crossings per Edge.
Comb., 1997
Quasi-Planar Graphs Have a Linear Number of Edges.
Comb., 1997
Three-dimensional Grid Drawings of Graphs.
Proceedings of the Graph Drawing, 5th International Symposium, 1997
1996
Applications of the Crossing Number.
Algorithmica, 1996
Ramsey-Type Results for Geometric Graphs.
Proceedings of the Twelfth Annual Symposium on Computational Geometry, 1996
1995
A Left-First Search Algorithm for Planar Graphs.
Discret. Comput. Geom., 1995
Discret. Comput. Geom., 1995
Wiley-Interscience series in discrete mathematics and optimization, Wiley, ISBN: 978-0-471-58890-0, 1995
1994
Fat Triangles Determine Linearly Many Holes.
SIAM J. Comput., 1994
Some Geometric Applications of Dilworth's Theorem.
Discret. Comput. Geom., 1994
The Complexity of a Class of Infinite Graphs.
Comb., 1994
1993
Extremal problems in graph drawings (abstract).
SIGACT News, 1993
How Hard Is Half-Space Range Searching.
Discret. Comput. Geom., 1993
An Invariant Property of Balls in Arrangements of Hyperplanes.
Discret. Comput. Geom., 1993
Nearly Equal Distances in the Plane.
Comb. Probab. Comput., 1993
Weaving Patterns of Lines and Line Segments in Space.
Algorithmica, 1993
1992
Arrangements of Curves in the Plane - Topology, Combinatorics and Algorithms.
Theor. Comput. Sci., 1992
Repeated Angles in the Plane and Related Problems.
J. Comb. Theory A, 1992
A turán-type theorem on chords of a convex polygon.
J. Comb. Theory B, 1992
An Upper Bound on the Number of Planar K-Sets.
Discret. Comput. Geom., 1992
Almost Tight Bounds for epsilon-Nets.
Discret. Comput. Geom., 1992
On the Number of Convex Lattice Polygons.
Comb. Probab. Comput., 1992
1991
On Vertical Visibility in Arrangements of Segments and the Queue Size in the Bentley-Ottmann Line Sweeping Algorithm.
SIAM J. Comput., 1991
On the maximal number of certain subgraphs in<i>K</i><sub><i>r</i></sub>-free graphs.
Graphs Comb., 1991
On the Average Volume of Subsets in Euclidean d-Space.
Eur. J. Comb., 1991
Universal elements and the complexity of certain classes of infinite graphs.
Discret. Math., 1991
Distinct Distances Determined By Subsets of a Point Set in Space.
Comput. Geom., 1991
Fat Triangles Determine Linearly Many Holes
Proceedings of the 32nd Annual Symposium on Foundations of Computer Science, 1991
Proceedings of the Planar Graphs, 1991
1990
Note on vertex-partitions of infinite graphs.
Discret. Math., 1990
Special issue dedicated to discrete and computational geometry.
Comb., 1990
How to draw a planar graph on a grid.
Comb., 1990
Variation on the theme of repeated distances.
Comb., 1990
Weaving Patterns of Lines and Segments in Space.
Proceedings of the Algorithms, 1990
Notes on Geometric Graph Theory.
Proceedings of the Discrete and Computational Geometry: Papers from the DIMACS Special Year, 1990
Gaps in Difference Sets, and the Graph of Nearly Equal Distances.
Proceedings of the Applied Geometry And Discrete Mathematics, 1990
On the Perimeter of a Point Set in the Plane.
Proceedings of the Discrete and Computational Geometry: Papers from the DIMACS Special Year, 1990
Some New Bounds for Epsilon-Nets.
Proceedings of the Sixth Annual Symposium on Computational Geometry, 1990
The Combinatorial Complexity of Hyperplane Transversals.
Proceedings of the Sixth Annual Symposium on Computational Geometry, 1990
1989
Radius, diameter, and minimum degree.
J. Comb. Theory B, 1989
The Upper Envelope of Piecewise Linear Functions and the Boundary of a Region Enclosed by Convex Plates: Combinatorial Analysis.
Discret. Comput. Geom., 1989
On Arrangement of Jordan Arcs with Three Intersection per Pair.
Discret. Comput. Geom., 1989
1988
Explicit codes with low covering radius.
IEEE Trans. Inf. Theory, 1988
An extremal problem on <i>K<sub>r</sub></i>-free graphs.
J. Graph Theory, 1988
Cutting a graph into two dissimilar halves.
J. Graph Theory, 1988
How to make a graph bipartite.
J. Comb. Theory B, 1988
Repeated distances in space.
Graphs Comb., 1988
Small Sets Supporting Fáry Embeddings of Planar Graphs
Proceedings of the 20th Annual ACM Symposium on Theory of Computing, 1988
On Arrangements of Jordan Arcs with Three Intersections per Pair.
Proceedings of the Fourth Annual Symposium on Computational Geometry, 1988
1987
Bounding one-way differences.
Graphs Comb., 1987
On the Lower Envelope of Bivariate Functions and its Applications
Proceedings of the 28th Annual Symposium on Foundations of Computer Science, 1987
1986
Maximal volume enclosed by plates and proof of the chessboard conjecture.
Discret. Math., 1986
Covering the Plane with Convex Polygons.
Discret. Comput. Geom., 1986
On the Union of Jordan Regions and Collision-Free Translational Motion Amidst Polygonal Obstacles.
Discret. Comput. Geom., 1986
1984
On disjointly representable sets.
Comb., 1984
1983
On a Quasi-Ramsey problem.
J. Graph Theory, 1983
On the Number of Sets in a Null t-Design.
Eur. J. Comb., 1983
1981
A Problem of Ulam on Planar Graphs.
Eur. J. Comb., 1981
Graphs whose every independent set has a common neighbour.
Discret. Math., 1981
1980
On a problem of L. Fejes Tóth.
Discret. Math., 1980
