Titlebook: Convexity and Discrete Geometry Including Graph Theory; Mulhouse, France, Se Karim Adiprasito,Imre Bárány,Costin Vilcu Conference proceedin

整潔漂亮

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Extremal Results on Intersection Graphs of Boxes in ,for the fractional Helly theorem for boxes. We also use the Fox–Gromov–Lafforgue–Naor–Pach results to derive a fractional Erd?s–Stone theorem for semi-algebraic graphs in order to obtain a second proof of the fractional Helly theorem for boxes.

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Complex Conference Matrices, Complex Hadamard Matrices and Complex Equiangular Tight Framesnteger, on the one hand there exists a (2.,?.) complex equiangular tight frame and for any . there exists a . complex equiangular tight frame depending on one unit complex number, and on the other hand there exist a family of . complex equiangular tight frames depending on two unit complex numbers.

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A Science of Mathematical Education, are disjoint. It is known [.] that in a finite .-disjoint family of translates of an oval, . if ., and this bound is sharp. In this note, finite .-disjoint .(4)-families of translates of an oval will be investigated.

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Informal Education: Museums, Organizations,ds have played an essential role in most of these problems. The topological representation of oriented matroids as sphere systems leads to pseudoline arrangements in the rank 3 case. We show in particular the application of a new topological representation of all combinatorial point-line configurations (quasiline arrangements).

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Conference proceedings 2016r domains of geometry and their reciprocal influence. They offer an overview on recent developments in geometry and its border with discrete mathematics, and provide answers to several open questions. The volume addresses a large audience in mathematics, including researchers and graduate students interested in geometry and geometrical problems..

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Conference proceedings 2016d by the Geometry Conference that took place in Mulhouse, France from September 7–11, 2014 in honour of Tudor Zamfirescu on the occasion of his 70th anniversary. The contributions address subjects in convexity and discrete geometry, in distance geometry or with geometrical flavor in combinatorics, g