Discrete geometry. 7th international workshop, DGCI '97, Montpellier, France, December 3--5, 1997. Proceedings (Q1374459)

The articles of mathematical interest will be reviewed individually. The preceding workshop (6th, 1996) has been announced (see Zbl 0856.00050). Indexed articles: \textit{Kong, T. Yung}, Topology-preserving deletion of 1's from 2-, 3- and 4-dimensional binary images, 3-18 [Zbl 0887.68113] \textit{Schramm, Jean-Maurice}, Coplanar tricubes, 87-98 [Zbl 0890.68123] \textit{Vittone, J.; Chassery, J. M.}, Coexistence of tricubes in digital naive plane, 99-110 [Zbl 0890.68124] \textit{Bertrand, Gilles; Couprie, Michel}, Some structural properties of discrete surfaces, 113-124 [Zbl 0887.68114] \textit{Ayala, R.; Domínguez, E.; Francés, A. R.; Quintero, A.}, Digital lighting functions, 139-150 [Zbl 0886.68130] \textit{Ptak, Pavel; Kofler, Helmut; Kropatsch, Walter}, Digital topologies revisited: An approach based on the topological point-neighbourhood, 151-159 [Zbl 0887.68115] \textit{Imiya, Atsushi; Eckhardt, Ulrich}, The Euler characteristic of discrete object, 163-174 [Zbl 0887.68116] \textit{Sladoje, Nataša; Žunić, Joviša}, Ellipses estimation from their digitization, 187-198 [Zbl 0890.68125] \textit{Malgouyres, Rémy}, Homotopy in 2-dimensional digital images, 213-222 [Zbl 0891.55015]