This paper shows the theoretical development of hierarchy by cores or kernels and an algorithm used to obtain

an interesting class or partition from a hierarchy. Also shown is a the theorem about the Cores Optimal Criterion

and how it is expressed as a function of the masses of the points of the vector space and product scale points, the

inertia of the cloud formed by those two points or hierarchical nodes, which are called subcores or sub-kernels.

Using the theory shown, three factors from which hierarchical aggregation of variables under study was built, as

well as hierarchical cores showing the level of use of pocket computing technologies by students. The principal

factors influencing the level of use of pocket computing technologies among higher education students is

analyzed from a theoretical aggregation development based on hierarchical cores. The theoretical part includes

the development of an algorithm used to obtain an interesting class or partition from a hierarchy. The

experimental work carried out included design, preparation and application of a questionnaire to higher

education students in Mexico. A pilot test was carried out to check timing and repetition of questions. Data was

recorded, validated, and mathematically and statistically analyzed.

**Author (s) Details**

**Francisco Casanova-del-Angel
**Sección de Estudios de Posgrado e Investigación de la ESIA, Unidad Profesional Adolfo López Mateos, C.P: 07320, Instituto Politécnico

Nacional, Ciudad de México, Mexico.

View Book :- http://bp.bookpi.org/index.php/bpi/catalog/book/233