Euclidean geometry is the branch of mathematics describing shapes and the spatial relationships between objects in ...

Hyperbolic space is a Pringle-like alternative to flat, Euclidean geometry where the normal rules don’t apply: angles of a triangle add up to less than 180 degrees and Euclid’s parallel ...

Treves coordinated a study just published in the journal Interface. Euclidean geometry is the kind of geometry we normally study at school, whereas non-Euclidean geometries are all those that ...

Bibliography of Non-Euclidean Geometry, including the Theory of Parallels, the Foundations of Geometry, and Space of N Dimensions. By Dr. D. M. J. Sommerville. Pp. xii + 4O4. (London: Harrison and ...