Semiotic Registers and Cognitive Obstacles Related to Solving Introductory Problems to Non-Euclidean Geometries Directed to the Preparation of Mathematics Teachers Registros Semióticos e Obstáculos Cognitivos na Resolução de Problemas Introdutórios às Geometrias não-Euclidianas no Âmbito da Formação de Professores de Matemática

• Prif Awdur: Ana Maria Martensen Roland Kaleff (Awdur)
• Fformat: Llyfr
• Cyhoeddwyd: Universidade Estadual Paulista, 2008-08-01T00:00:00Z.
• Pynciau: article
• Mynediad Ar-lein: Connect to this object online.

This investigation deals with selected aspects of an investigation regarding the acquisition of geometric concepts by in-service mathematics teachers at a very particular moment in their education or preparation: that of the transition between Euclidean and non-Euclidean geometric knowledge. Conside...