Convexity and Discrete Geometry Including Graph Theory

Introduction.- PART I Research Articles. Marcus: Tudor Zamfirescu: from convex to magic.- Yuan: Acute Triangulations of Rectangles, with Angles Bounded Below.- Skupien: Multi-compositions in exponential counting of hypohamiltonian snarks.- Shabbir & T. Zamfirescu: Hamiltonicity in k-tree-Halin graphs.- Schneider: Reflections of planar convex bodies.- Rouyer: Steinhaus conditions for convex polyhedra.- Riviere: About the Hausdorff dimension of the set of endpoints of convex surfaces.- Prunescu: About a surprising computer program of Matthias Müller.- Oliveros, Martinez & Montejano: Extremal results on intersection graphs of boxes in R^d.- Massé, Euler & Lemarchand: On the connected spanning cubic subgraph problem.- Kincses: On the Helly dimension of Hanner polytopes.- Itoh & Ohtsuka: Classification of normal 2-polyhedra of positive constant curvature.- Heppes& Jeronimo-Castro: T(4) families of -disjoint ovals.- Fruchard & Magazinov: Fair partitioning by straight lines.- Filip & Petrusel: Fixed point theorems for multivalued Zamfrescu operators in convex Kasahara spaces.- Et-Taoui: Complex conference matrices, complex Hadamard matrices and complex equiangular tight frames.- Chevallier, Fruchard & Vilcu: Envelopes of  -sections.- Bokowski & al.:  Selected open and solved problems in computational synthetic geometry.- Bau: Reductions of 3-connected quadrangulations of the sphere.- Barany & Por: Paths on the sphere without small angles.- PART II Open Problem Notes. Zamfirescu T.: Two problems on cages for discs.- Zamfirescu Carol T.: Seven problems on hypohamiltonian and almost hypohamiltonian graphs.- Vilcu & Zamfirescu: Six problems on the length of the cut locus.- Simoes-Pereira: Existence Problems for Matroidal Families.- Funar: Cubical Pachner moves.- Eckhoff: Problems in Discrete Geometry.- Chevallier & Fruchard: What is the minimal cardinal of a family