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Differential geometry of grassmannians and the Plucker map
(VERSITAWARSAW, 2012)
Using the Plucker map between grassmannians, we study basic aspects of classic grassmannian geometries. For 'hyperbolic' grassmannian geometries, we prove some facts (for instance, that the Plucker map is a minimal isometric ...
Differential geometry of grassmannians and the Plucker map
(VersitaWarsaw, 2012)
Geodesic cone in Nil-geometry
(Wolfram Demonstrations Project, 2016)
Geodesic cone in Nil-geometry
(Wolfram Demonstrations Project, 2011)
A história do surgimento da geometria não euclidiana: o despertar para novos mundos e os modelos de Beltrami
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Matemática em Rede NacionalUTFPR, 2019-05-06)
The present work presents a brief historical presentation of the development of the non-Euclidian models proposed by Eugenio Beltrami. From the precise systematization of Euclid, we present certain inquiries and misgivings ...
Arc length of the hyperbolic cosine
(Wolfram Demonstration Project, 2011)
Arc length of the hyperbolic cosine
(Wolfram Demonstration Project, 2016)