let $g$ be a simple graph with vertex set $v(g) = {v_1, v_2,ldots, v_n}$ and edge set $e(g) = {e_1, e_2,ldots , e_m}$. similar tothe randi'c matrix, here we introduce the randi'c incidence matrixof a graph $g$, denoted by $i_r(g)$, which is defined as the$ntimes m$ matrix whose $(i, j)$-entry is $(d_i)^{-frac{1}{2}}$ if$v_i$ is incident to $e_j$ and $0$ otherwise. naturally, therandi'c incidenc...

BACKGROUND Human resources management in health often encounters problems related to workforce geographical distribution. The aim of this study was to investigate the internship workplace preferences of final-year medical students and the reasons associated with their choices. METHOD A total of 204 out of 240 final-year medical students at Zagreb University Medical School, Croatia, were surve...

Adresa za dopisivanje Robert Ćelić Sveučilište u Zagrebu Stomatološki fakultet Zavod za mobilnu protetiku Gundulićeva 5, 10 000 Zagreb Tel: 1 4802 111 [email protected] Sažetak Svrha: Željelo se odrediti utječe li način registracije i prijenosa šarnirske osi (prijenos obraznim lukom spram prosječnog montiranja) s ispitanika u artikulator na trodimenzionalni pomak kondila između položaja centrične r...

Topological indices are the mathematical tools that correlate the chemical structure with various physical properties, chemical reactivity or biological activity numerically. A topological index is a function having a set of graphs as its domain and a set of real numbers as its range. In QSAR/QSPR study, a prediction about the bioactivity of chemical compounds is made on the basis of physico-ch...

Professor Željko Reiner, FRCP (London), FESC, FACC gained his MD degree in 1976 from Zagreb University, Croatia. He also holds a PhD degree from Zagreb University. Currently, he is the head of the Department of Internal Medicine, University Hospital Centre Zagreb and the School of Medicine, Zagreb University. He has held many positions in the European Society of Cardiology (ESC) and European At...

s of the 2 International congress of the School of Dental Medicine, University of Zagreb and Academy of Operative Dentistry 5 and 6 March 2016, Zagreb, Croatia Voditelj • Leader: prof. dr. sc. Zrinka Tarle

Recently introduced Zagreb coindices are a generalization of classical Zagreb indices of chemical graph theory. We explore here their basic mathematical properties and present explicit formulae for these new graph invariants under several graph operations.