Altitude, Orthocenter of a Triangle and Triangulation
Coghetto, Roland
Klein-Beltrami model. Part III
Coghetto, Roland
Circumcenter, Circumcircle and Centroid of a Triangle
Coghetto, Roland
Semiring of Sets: Examples
Coghetto, Roland
U-Small and U-Locally Small Categories
Coghetto, Roland
Semiring of Sets
Coghetto, Roland
Cross-Ratio in Real Vector Space
Coghetto, Roland
Klein-Beltrami Model. Part II
Coghetto, Roland
Klein-Beltrami Model. Part I
Coghetto, Roland
Some Facts about Trigonometry and Euclidean Geometry
Coghetto, Roland
Double Sequences and Iterated Limits in Regular Space
Coghetto, Roland
A Case Study of Transporting Urysohn’s Lemma from Topology via Open Sets into Topology via Neighborhoods
Coghetto, Roland