UAB Digital Repository of Documents 3 records found  Search took 0.00 seconds. 
1.
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 Cejas, 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  
2.
10 p, 430.1 KB Procedimientos de resolución de problemas aditivos con números negativos / Bruno Castañenda, Alicia (Universidad de La Laguna. Departamento de Análisis Matemático) ; Martinón Cejas, Antonio (Universidad de La Laguna. Departamento de Análisis Matemático)
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.
1997 - 10.5565/rev/ensciencias.4180
Enseñanza de las ciencias, V. 15 n. 2 (1997) p. 249-258  
3.
13 p, 146.5 KB Estrategia visual en la generalización de pautas lineales / García Cruz, Juan Antonio ; Martinón Cejas, 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. [...]
1999 - 10.5565/rev/ensciencias.4103
Enseñanza de las ciencias, V. 17 N. 1 (1999) , p. 31-43  

Interested in being notified about new results for this query?
Set up a personal email alert or subscribe to the RSS feed.