A fuzzy morphological approach is here presented to retrieve structural properties of images considered as fuzzy sets. The basic concepts of the possibility theory and of the mathematical morphology are brieey illustrated, together with their suggested integration. Some applications to astronomical images are also shown.

In historical claims for nativism, mathematics is a paradigmatic example of innate knowledge. Claims by contemporary developmental psychologists of elementary mathematical skills in human infants are a legacy of this. However, the connection between these skills and more formal mathematical concepts and methods remains unclear. This paper assesses the current debates surrounding nativism and ma...

When a new mathematical idea is presented to students in terms of abstract symbols, they may have difficulty grasp it. This arises because symbols do not directly refer concretely perceivable objects. But, when the same content form graph or gesture that depicts graph, it often much easier grasp. The process solving complex problem can also be facilitated with use graphical representation. Tran...