Algebraic study of the Apollonius circle of three ellipses. - Ioannis Z. Emiris; George M. Tzoumas (EuroCG, 2005)

Apollonius circle conflict. - George M. Tzoumas; Ioannis Z. Emiris (SIGSAM Bull., 2005)

The predicates for the Voronoi diagram of ellipses. - Ioannis Z. Emiris; Elias P. Tsigaridas; George M. Tzoumas (SCG, 2006)

A real-time and exact implementation of the predicates for the Voronoi diagram of parametric ellipses. - Ioannis Z. Emiris; George M. Tzoumas (Symposium on Solid and Physical Modeling, 2007)

Exact and efficient evaluation of the InCircle predicate for parametric ellipses and smooth convex objects. - Ioannis Z. Emiris; George M. Tzoumas (Comput. Aided Des., 2008)

The Predicates for the Exact Voronoi Diagram of Ellipses under the Euclidiean Metric. - Ioannis Z. Emiris; Elias P. Tsigaridas; George M. Tzoumas (Int. J. Comput. Geom. Appl., 2008)

Exact Delaunay graph of smooth convex pseudo-circles: general predicates, and implementation for ellipses. - Ioannis Z. Emiris; Elias P. Tsigaridas; George M. Tzoumas (Symposium on Solid and Physical Modeling, 2009)

Exact Voronoi diagram of smooth convex pseudo-circles: General predicates, and implementation for ellipses. - Ioannis Z. Emiris; Elias P. Tsigaridas; George M. Tzoumas (Comput. Aided Geom. Des., 2013)

Extending CSG with projections: Towards formally certified geometric modeling. - George M. Tzoumas; Dominique Michelucci; Sebti Foufou (Comput. Aided Des., 2015)