Vol. 20 No. 2 (2019): Divulgaciones Matemáticas
The Editorial Board of Divulgaciones Matemáticas is pleased to present the Vol. 20, No. 2, 2019. The articles contained in this issue are those received during the second semester of the year 2019, wich ones were evaluated and accepted for publication, before the edition of this issue.
It is important to stand out that the present issue of the journal shows (5) five articles on the section of Research Papers and one manuscripts with the solution of three (3) problems presented in the section of Problems and Solutions and presenting a new problem to solve propoused on the 34ª Olimpiada Iberoamericana celebrated in Guanajuato, Mexico, on september 2019.
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 JoséHeber Nieto, for his contribution to the Problems and Solutions section. To all of them, thanks a lot.
From this Vol. 20 (including the No. 1, 2019) the journal Divulgaciones Matemáticas is goin to be in the portal of Revistas Científicas y Humanísticas de la Universidad del Zulia (ReviCyHLUZ)} wich oficial webpage is: produccioncientificaluz.org. Now the articles will be identify with the letterhead of Sistema de Servicios Bibliotecarios y de Información de LUZ (SERBILUZ). Furthermore, the journal will have two oficial webpages: divmat.demat-fecluz.org and produccioncientificaluz.org, where will be published the articles y it will may download in a free way. All these with the purpose to give more expantion and recognition to the journal.
Finally, the Editorial Board of Divulgaciones Matemáticas ask for apologize to the authors of the articles published here for the inconvenient the delate of the edition of this issues made, we thanks your wait. Furthermore, we invite the Venezuelan and international mathematical community to continue giving their support by submitting their articles to our journal for evaluation and possible publication.
