نتایج جستجو برای: first variable zagreb index
تعداد نتایج: 1991885 فیلتر نتایج به سال:
Practical Examples Used Information and Communication Technologies in Study of “signals and Systems”
1 Karmela Aleksic-Maslac, University of Zagreb, Faculty of Electrical Engineering and Computing, Unska 3, Zagreb, Croatia, [email protected] 2 Branko Jeren, University of Zagreb, Faculty of Electrical Engineering and Computing, Zagreb, Croatia, [email protected] 3 Zvonko Kostanjcar (Student), University of Zagreb, Faculty of Electrical Engineering and Computing, Zagreb, Croatia, Zvonko.K...
AIM To assess the academic performance of students who transferred to the Zagreb School of Medicine from other three medical schools in Croatia. METHODS Academic performance of medical students who moved from Rijeka, Osijek, or Split University Medical Schools to the Zagreb University School of Medicine at the second or third year was compared with academic performance of students enrolled at...
In this paper, we present the exact formulae for the multiplicative version of degree distance and the multiplicative version of Gutman index of strong product of graphs in terms of other graph invariants including the Wiener index and Zagreb index. Finally, we apply our results to the multiplicative version of degree distance and the multiplicative version of Gutman index of open and closed fe...
Let $Gamma_{n,kappa}$ be the class of all graphs with $ngeq3$ vertices and $kappageq2$ vertex connectivity. Denote by $Upsilon_{n,beta}$ the family of all connected graphs with $ngeq4$ vertices and matching number $beta$ where $2leqbetaleqlfloorfrac{n}{2}rfloor$. In the classes of graphs $Gamma_{n,kappa}$ and $Upsilon_{n,beta}$, the elements having maximum augmented Zagreb index are determined.
The aim of this paper is to determine the differences in the outpatient consumption of cardiovascular drugs between Croatian regions: the City of Zagreb and Lika-Senj County. The data on the number of packages and the purchase price for each drug have been obtained from all pharmacies in Lika-Senj County and all pharmacies in the City of Zagreb. Defined daily doses/1000 inhabitants/day (DDD/100...
The coprime graph of a group G is Γ_G with its set vertices and any two distinct are adjacent if only their order relatively prime. Let p be prime number, then G_p denotes the multiplicative 2×2 upper unitriangular matrices over ring integers modulo p. purposes this research to study Γ_(G_p ) find first second Zagreb eccentricity indices for p≥3. results as follows. First index )isE_1 (Γ_(G_p )...
A {it topological index} of a graph is a real number related to the graph; it does not depend on labeling or pictorial representation of a graph. In this paper, we present the upper bounds for the product version of reciprocal degree distance of the tensor product, join and strong product of two graphs in terms of other graph invariants including the Harary index and Zagreb indices.
The purpose of this paper is to analyse Croatia's potential to integrate the concept of polycentric development – an even development of equally spaced urban centres which also aims at lessening regional disparities – into its regional development policy. By applying the polycentricity index to the Croatian data, following Meijers and Sandberg's methodological approach (2006), Croatia is found ...
The second Zagreb coindex is a well-known graph invariant defined as the total degree product of all non-adjacent vertex pairs in a graph. The second Zagreb eccentricity coindex is defined analogously to the second Zagreb coindex by replacing the vertex degrees with the vertex eccentricities. In this paper, we present exact expressions or sharp lower bounds for the second Zagreb eccentricity co...
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