نتایج جستجو برای: zagreb energy

تعداد نتایج: 668603  

2005
O. Polasek I. Kolcic B. Kolaric I. Rudan

O.Polasek, I.Kolcic, B.Kolaric and I.Rudan Department of Medical Statistics, Epidemiology and Medical Informatics, ‘Andrija Stampar’ School of Public Health, Medical School, University of Zagreb, Rockefellerova 4, 10 000 Zagreb, Croatia, Department of Public Health Sciences, University of Edinburgh Medical School, Teviot Place, Edinburgh EH8 9AG, UK and Croatian Institute of Public Health, Rock...

Journal: :Streetnotes 2014

1998
T. Nagae T. Miyachi T. Fukuda J. Nakano R. S. Hayano H. Tamura Y. Shimizu K. Kubota A. Rusek W. J. Briscoe R. Sawafta W. Naing M. Planinic

M. Planinic Zagreb University, P.O. Box 162 Bijenička c. 32, HR-10 004 Zagreb, Croatia (Received 11 September 1997) We have observed a clear peak below the S-production threshold in the 4HesK2, pd reaction at 600 MeVyc and uKp ­ 4±. This is confirmation of the existence of the bound state of SHe, which was reported in the 4Hesstopped K, pd reaction. As in the case of stopped kaons, no such peak...

Journal: :iranian journal of mathematical chemistry 2012
m. tavakoli f. rahbarnia

let g be a graph. the first zagreb m1(g) of graph g is defined as: m1(g) = uv(g) deg(u)2. in this paper, we prove that each even number except 4 and 8 is a first zagreb index of a caterpillar. also, we show that the fist zagreb index cannot be an odd number. moreover, we obtain the fist zagreb index of some graph operations.

2017
ZHONGZHU LIU QINGHUA MA YIZHI CHEN Z. LIU Q. MA

The Zagreb indices are among the oldest and the most famous topological molecular structure-descriptors. The first Zagreb index is equal to the sum of the squares of the degrees of the vertices, and the second Zagreb index is equal to the sum of the products of the degrees of pairs of adjacent vertices of the respective graph. In this paper, we characterize the extremal graphs with maximal, sec...

2016
Mehdi Alaeiyan Mohammad Reza Farahani Muhammad Kamran Jamil M. R. Rajesh Kanna

Let G = (V,E) be a graph, where V(G) is a non-empty set of vertices and E(G) is a set of edges, e = uv∈E(G), d(u) is degree of vertex u. Then the first Zagreb polynomial and the first Zagreb index Zg1(G,x) and Zg1(G) of the graph G are defined as ( ) ( ) ∑ u v u d v E G d x + ∈ and ( ) ( ) ∑ e u G v uv E d d = ∈ + respectively. Recently Ghorbani and Hosseinzadeh introduced the first Eccentric Z...

2012
Jingzhong Liu Qianhong Zhang

For a (molecular) graph, the multiplicative Zagreb indices ∏ 1-index and ∏ 2index are multiplicative versions of the ordinary Zagreb indices (M1-index and M2index). In this note we report several sharp upper bounds for ∏ 1-index in terms of graph parameters including the order, size, radius, Wiener index and eccentric distance sum, and upper bounds for ∏ 2-index in terms of graph parameters inc...

Journal: :Clinical and vaccine immunology : CVI 2015
Jiangping Ren Linong Yao Jimin Sun Zhenyu Gong

The Zagreb regimen, an abbreviated intramuscular schedule for rabies vaccination, was developed by I. Vodopija and colleagues of the Zagreb Institute of Public Health in Croatia in the 1980s. It was recommended by WHO as one of the intramuscular (IM) schedules for rabies vaccination in 2010. We reviewed the literature on the immunogenicity, safety, economic burden, and compliance of the Zagreb ...

Journal: :Applied Mathematics and Computation 2016
Muhammad Faisal Nadeem Sohail Zafar Zohaib Zahid

In this note, we give expressions for the first(second) Zagreb coindex, second Zagreb index(coindex), third Zagreb index and first hyper-Zagreb index of the line graphs of subdivision graphs of 2D-lattice, nanotube and nanotorus of TUC4C8[p, q] and obtain upper bounds for Wiener index and degree-distance index of these graphs. This note continue the program of computing certain topological indi...

2005
Maria Feligini Vlatka Cubric-Curik Pietro Parma Ino Curik Gian Franco Greppi Giuseppe Enne

Maria Feligini1*, Vlatka Cubric-Curik2, Pietro Parma1, Ino Curik3, Gian Franco Greppi1,4 and Giuseppe Enne1,5 Istituto Sperimentale Italiano »Lazzaro Spallanzani«, Laboratorio di Epigenomica Applicata (LEA), Via Giovanni XXIII, I-26900 Lodi, Italy Dairy Science Department, Faculty of Agriculture University of Zagreb, Sveto{imunska 25, HR-10 000 Zagreb, Croatia Animal Science Department, Faculty...

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