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Articles, 3 records found
Articles 3 records found  
13 p, 241.3 KB On the infimum of a quasiconvex vector function over an intersection / Martínez Legaz, Juan Enrique (Universitat Autònoma de Barcelona. Departament d'Economia i d'Història Econòmica) ; Martinón, Antonio (Universidad de La Laguna. Departamento de Análisis Matemático)
We give sufficient conditions for the infimum of a quasiconvex vector function f over an intersection ⋂i∈IRi to agree with the supremum of the infima of f over the Ri's.
2012 - 10.1007/s11750-011-0222-8
TOP, Vol. 20, Núm. 2 (2012) , p.503-516  
10 p, 430.1 KB Procedimientos de resolución de problemas aditivos con números negativos / Bruno, A. ; Martinón, Antonio
This paper presents some procedures for the problem solving, explanation and behaviours of the students in the solution of additive problems with negative numbers. Special attention is paid to the different contexts, structures and positions of the unknown.
Enseñanza de las ciencias, V. 15 n. 2 (1997) p. 249-258  
13 p, 146.5 KB Estrategia visual en la generalización de pautas lineales / García Cruz, Juan Antonio ; Martinón, Antonio
In this paper the role played by the drawing included in linear generalizing problems is outlined. The main focus is on the generalization developed by secondary education students. The research has been conducted over a population of 13 to 18 year old students. [...]
Enseñanza de las ciencias, V. 17 N. 1 (1999) , p. 31-43  

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