Vol. 19 No. 2 (2018): Divulgaciones Matemáticas

The Editorial Board of Divulgaciones Matemáticas is pleased to present the Vol. 19, No. 2, 2018. Articles contained in this issue are those processed during the first semester of the year 2018 and were evaluated and accepted for publication.

It is important to stand out that the present issue of the journal shows aricles on each of the section that Divulgaciones Matemáticas present, i.e.: five (5) Research Papers, one (1) Expository and historical papers, two (2) Mathematical teaching papers, and one manuscripts with the solution of three (3) problems presented in the section of Problems and Solutions.

The editorial work related to this issue is the result of the efforts of some members of the Department of Mathematics of the Experimental Faculty of Sciences. The Editors want to express their gratitude to all of those who made this issue possible: to the authors of the presented works, who gave their vote of confidence to the journal; to the referees, who evaluated the articles with selfless work, guaranteeing the quality standards of the journal and significantly improving the way of working; to the editorial team of Divulgaciones Matemáticas; and especially to Professor José Heber Nieto, for his contribution to the Problems and Solutions section. To all of them, thanks a lot.

Finally, the Editorial Board of Divulgaciones Matemáticas invite the Venezuelan and international mathematical community to continue giving their support by submitting their articles to our journal for evaluation and possible publication.