Efficient computation of zero-dimensional Gro¨bner bases by change of ordering
Journal of Symbolic Computation
Algorithms in Real Algebraic Geometry (Algorithms and Computation in Mathematics)
Algorithms in Real Algebraic Geometry (Algorithms and Computation in Mathematics)
Ideals, Varieties, and Algorithms: An Introduction to Computational Algebraic Geometry and Commutative Algebra, 3/e (Undergraduate Texts in Mathematics)
Fast generation of regular graphs and construction of cages
Journal of Graph Theory
Topological configurations (n4) exist for all n≥17
European Journal of Combinatorics
Enumerating topological (nk)-configurations
Computational Geometry: Theory and Applications
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We present various methods that have reduced the finite set of missing geometric configurations (n"4). We show that there is no geometric configuration (17"4), and we provide examples for the former unknown cases n=18, n=29, n=31 - there do exist geometric configurations (n"4). To construct these we use methods from computer algebra and optimization.