| Publication | Date of Publication | Type |
|---|
| A Helly-type theorem for hyperplane transversals to well-separated convex sets | 2017-09-29 | Paper |
| Allowable double-permutation sequences and double pseudoline arrangements | 2013-06-28 | Paper |
| Computing the first Betti number and the connected components of semi-algebraic sets | 2010-08-16 | Paper |
| An asymptotically tight bound on the number of semi-algebraically connected components of realizable sign conditions | 2010-08-13 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3656704 | 2010-01-13 | Paper |
| The combinatorial encoding of disjoint convex sets in the plane | 2008-10-21 | Paper |
| Computing the first Betti number of a semi-algebraic set | 2008-08-20 | Paper |
| Convexity in topological affine planes | 2007-12-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5490271 | 2007-01-26 | Paper |
| Algorithms in real algebraic geometry | 2006-09-13 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5290252 | 2006-04-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5290253 | 2006-04-28 | Paper |
| Graph Drawing | 2005-12-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5460918 | 2005-07-20 | Paper |
| Computing the Euler-Poincaré characteristics of sign conditions | 2005-06-16 | Paper |
| On the Betti numbers of sign conditions | 2005-01-05 | Paper |
| Algorithms in real algebraic geometry | 2003-07-16 | Paper |
| A Helly-type theorem for higher-dimensional transversals | 2003-01-08 | Paper |
| A Helly-type theorem for hyperplane transversals to well-separated convex sets | 2002-11-04 | Paper |
| On the Helly number for hyperplane transversals to unit balls | 2001-05-17 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4232468 | 2001-05-13 | Paper |
| Computing roadmaps of semi-algebraic sets on a variety | 1999-11-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4228467 | 1999-03-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4391229 | 1998-10-01 | Paper |
| On the combinatorial and algebraic complexity of quantifier elimination | 1998-01-22 | Paper |
| Quasi-planar graphs have a linear number of edges | 1998-01-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4352327 | 1997-08-28 | Paper |
| On computing a set of points meeting every cell defined by a family of polynomials on a variety | 1997-07-28 | Paper |
| Computing Roadmaps of Semi-algebraic Sets on a Variety (Extended Abstract) | 1997-06-12 | Paper |
| On the number of cells defined by a family of polynomials on a variety | 1997-01-06 | Paper |
| Bounding the number of geometric permutations induced by \(k\)-transversals | 1996-11-03 | Paper |
| There are uncountably many universal topological planes | 1996-08-22 | Paper |
| Every arrangement extends to a spread | 1996-02-11 | Paper |
| Foundations of a theory of convexity on affine Grassmann manifolds | 1996-02-04 | Paper |
| Arrangements and Topological Planes | 1995-12-11 | Paper |
| Common tangents and common transversals | 1995-11-12 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4848612 | 1995-10-25 | Paper |
| On the connected components of the space of line transversals to a family of convex sets | 1995-07-02 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4317271 | 1994-12-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3138749 | 1994-07-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4695103 | 1994-05-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3138746 | 1993-11-11 | Paper |
| Weaving patterns of lines and line segments in space | 1993-06-29 | Paper |
| Counting and cutting cycles of lines and rods in space | 1992-09-27 | Paper |
| Arrangements of curves in the plane --- topology, combinatorics, and algorithms | 1992-06-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3974957 | 1992-06-26 | Paper |
| The complexity of point configurations | 1992-06-25 | Paper |
| Necessary and sufficient conditions for hyperplane transversals | 1990-01-01 | Paper |
| How to draw a planar graph on a grid | 1990-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3474674 | 1990-01-01 | Paper |
| The Intrinsic Spread of a Configuration in R d | 1990-01-01 | Paper |
| Computing the geodesic center of a simple polygon | 1989-01-01 | Paper |
| Radius, diameter, and minimum degree | 1989-01-01 | Paper |
| On arrangements of Jordan arcs with three intersections per pair | 1989-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5748883 | 1989-01-01 | Paper |
| Separating two simple polygons by a sequence of translations | 1988-01-01 | Paper |
| Computing the link center of a simple polygon | 1988-01-01 | Paper |
| Hadwiger's Transversal Theorem In Higher Dimensions | 1988-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3795219 | 1988-01-01 | Paper |
| Upper bounds for configurations and polytopes in \({\mathbb{R}}^ d\) | 1986-01-01 | Paper |
| There are asymptotically far fewer polytopes than we thought | 1986-01-01 | Paper |
| Increasing the minimum distance of a set of points | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3681481 | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3684737 | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3691072 | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3700382 | 1985-01-01 | Paper |
| Polynomial realization of pseudoline arrangements | 1985-01-01 | Paper |
| Semispaces of configurations, cell complexes of arrangements | 1984-01-01 | Paper |
| On the number of k-subsets of a set of n points in the plane | 1984-01-01 | Paper |
| Multidimensional Sorting | 1983-01-01 | Paper |
| Helly-type theorems for pseudoline arrangments in \(P^ 2\). | 1982-01-01 | Paper |
| A theorem of ordered duality | 1982-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3941978 | 1982-01-01 | Paper |
| Three points do not determine a (pseudo-) plane | 1981-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3958473 | 1981-01-01 | Paper |
| On the combinatorial classification of nondegenerate configurations in the plane | 1980-01-01 | Paper |
| Proof of Grünbaum's conjecture on the stretchability of certain arrangements of pseudolines | 1980-01-01 | Paper |
| A New Identity and Some Applications | 1980-01-01 | Paper |
| On the graphs of I. Katai | 1974-01-01 | Paper |
| The next to last case of a factorial diophantine equation | 1973-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5614733 | 1970-01-01 | Paper |
