BULLETIN OF INTERNATIONAL MATHEMATICAL VIRTUAL INSTITUTE https://doisrpska.nub.rs/index.php/IMVI To advance research and education in the field of pure and applied mathematics, history and philosophy mathematics, and mathematics education by providing journals, bulletins, newspapers, conferences, courses, lectures, seminars and any other charitable means.<br />Published by: Naučno društvo matematičara Banja Luka en-US daniel.a.eomano@hotmail.com (Daniel A. Romano) doi.nubrs@gmail.com (Горан Талијан) Wed, 10 Jan 2018 00:00:00 +0100 OJS 2.4.8.0 http://blogs.law.harvard.edu/tech/rss 60 TL-Vague Modules https://doisrpska.nub.rs/index.php/IMVI/article/view/4307 In this paper, we investigated concept of TL-vague module and<br />obtained some basic properties of this concept. Dilek Bayrak, Sultan Yamak Copyright (c) 2018 BULLETIN OF INTERNATIONAL MATHEMATICAL VIRTUAL INSTITUTE https://doisrpska.nub.rs/index.php/IMVI/article/view/4307 Wed, 10 Jan 2018 00:00:00 +0100 Third Zagreb Indices and its Coindices of Two Classes of Graphs https://doisrpska.nub.rs/index.php/IMVI/article/view/4308 In this paper, we compute the formulae for the third Zagreb in-<br />dices and its coindices for two classes of graphs such as edge corona product graph, double graph and kth iterated double graph. K. Pattabiraman Copyright (c) 2018 BULLETIN OF INTERNATIONAL MATHEMATICAL VIRTUAL INSTITUTE https://doisrpska.nub.rs/index.php/IMVI/article/view/4308 Wed, 10 Jan 2018 00:00:00 +0100 Extremal Graphs for the second multiplicative Zagreb Index https://doisrpska.nub.rs/index.php/IMVI/article/view/4309 Let G be a graph with edge set E(G). The second multiplicative<br />Zagreb index of G is dened as 2(G) = Πuv2E(G)[degG(u) degG(v)], where degG(v) is the degree of the vertex v of G. In this paper, the unicyclic graphs with rst through seventh smallest 2 Ali Ghalavand, Ali Reza Ashra, Ivan Gutman Copyright (c) 2018 BULLETIN OF INTERNATIONAL MATHEMATICAL VIRTUAL INSTITUTE https://doisrpska.nub.rs/index.php/IMVI/article/view/4309 Wed, 10 Jan 2018 00:00:00 +0100