the first zagreb index, $m_1(g)$, and second zagreb index, $m_2(g)$, of the graph $g$ is defined as $m_{1}(g)=sum_{vin v(g)}d^{2}(v)$ and $m_{2}(g)=sum_{e=uvin e(g)}d(u)d(v),$ where $d(u)$ denotes the degree of vertex $u$. in this paper, the firstand second maximum values of the first and second zagreb indicesin the class of all $n-$vertex tetracyclic graphs are presented.

1 Hvar Observatory, Faculty of Geodesy, University of Zagreb, Kačićeva 26, HR-10000 Zagreb, Croatia 2 Kiepenheuer-Institut für Sonnenphysik, Schöneckstr. 6, D-79104 Freiburg, Germany 3 Geophysical Institute, Faculty of Science, University of Zagreb, Horvatovac bb, HR-10000 Zagreb, Croatia 4 Easy Toolkit, Inc., Houston, Texas, USA 5 Observatoire Royal de Belgique, Ave. Circulaire 3, B-1180 Bruxe...

1 Clinical Department for Clinical and Molecular Microbiology, University Hospital Center Zagreb, 10000 Zagreb, Croatia 2 Department of Microbiology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia 3 Department of Microbiology, University Hospital Center Split, 21000 Split, Croatia 4Cantonal Public Health Institute Zenica, 72000 Zenica, Bosnia and Herzegovina 5 Department for Sa...

J. Mlinarec1, Z. Šatović2, N. Malenica1, I. Ivančić-Baće1 and V. Besendorfer1,* Faculty of Science, University of Zagreb, Division of Biology, Department of Molecular Biology, Horvatovac 102a, HR-10000 Zagreb, Croatia and Department of Seed Science and Technology, Faculty of Agriculture, University of Zagreb, Svetošimunska 25, HR-10000 Zagreb, Croatia * For correspondence. E-mail [email protected]...

1Division of Zoology, Department of biology, Faculty of science, University of Zagreb, rooseveltov trg 6, 10000 Zagreb, Croatia (*[email protected]) 2Division of botany, Department of biology, Faculty of science, University of Zagreb, Marulićev trg 20/II, 10000 Zagreb, Croatia 3National Museum Zadar, Natural History Department, Medulićeva 1, 23000 Zadar, Croatia (prirodoslovni.odjel@nm...

MLADEN NIKŠIĆ, M.Sc. E-mail: [email protected] University of Zagreb, Faculty of Transport and Traffic Sciences Vukelićeva 4, HR-10000 Zagreb, Republic of Croatia SLAVEN GAŠPAROVIĆ, Ph.D. student E-mail: [email protected] University of Zagreb, Faculty of Science Department of Geography Marulićev trg 19, HR-10000 Zagreb, Republic of Croatia Transport Engineering Review Accepted: Mar. 17, 201...

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