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On the lanzhou index

Web21 de jan. de 2024 · We introduce and investigate a new topological index, the Lanzhou index, and show that it outperforms several existing indices on some benchmark datasets recommended by the International... WebAccording to the 2024 WHO database, [24] of 2700 towns listed, Lanzhou has the 158th highest level of PM 2.5 pollution, with an average of 54 micrograms per cubic meter (twice that of Milan). The large particle …

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Web20 de set. de 2024 · Lanzhou index Lz(G) can be expressed as (n − 1)M1(G) − F (G), where M1(G) and F (G) denote the first Zagreb index and the forgotten index of G respectively, and n is the number of vertices in G. It turns out that Lanzhou index outperforms M1(G) and F(G) in predicting the logarithm of the octanol-water partition … Web1 de jan. de 2024 · Let G be a simple graph with vertex set V (G). The Lanzhou index of G is defined as Lz(G) = u∈V (G) d G (u)dG(u) 2 , where dG(u) denotes the degree of the … portsmouth nh florist 03801 https://coach-house-kitchens.com

(PDF) ON THE LANZHOU INDEX OF GRAPHS - ResearchGate

Web17 de jan. de 2024 · Journal of Applied Mathematics and Computing - The max–min rodeg ( $${M\!m_{sde}}$$ ) index is a useful topological index in mathematical chemistry. ... Unicyclic graphs with extremal Lanzhou index. 20 September 2024. Qian-qian Liu, Qiu-li Li & He-ping Zhang. Extremal values of the Sombor index in unicyclic and bicyclic graphs. WebLanzhou Nuclear Fuel Complex. 504 Plant. 36°09' N 103°29' E. In July 1955 the USSR agreed to construct atomic reactors in Lanzhou and Baotou, which were to be completed in 1960 [no reactor was built in Lanzhou]. Construction of this gaseous diffusion plant probably began in 1957, and the facility was estimated to be producing weapons grade U ... Web26 de ago. de 2024 · In 2024, Dehgardi and Liu characterized trees with fixed maximum degree using the Lanzhou Index. We can easily calculate F-coindex, using formula given by equation , for some well-known graphs. Let ,,, and be the path, cycle, star, and complete graphs on vertices. Then, F-coindex for these graphs is as follows: (1). (2). (3 ... or8lzfy9ms7

Unicyclic graphs with extremal Lanzhou index SpringerLink

Category:Relations between degree-based graph invariants - ScienceDirect

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On the lanzhou index

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Web1 de ago. de 2024 · ON THE LANZHOU INDEX OF GRAPHS Qinghe Tong, Chenxu Yang, Wen Li Mathematics International Journal of Research -GRANTHAALAYAH 2024 Let be … WebLanzhou index is an important topological index. It is closely related to the forgotten index and first Zagreb index of graphs. In this note, we characterize the bound of Lanzhou …

On the lanzhou index

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WebThe Lanzhou index of a graph is defined by , where denoted by the degree of the vertex v in . In a chemical graph, the topological index can help determine chemical, biological, … http://www.amjcu.zju.edu.cn/amjcub/2024-2029/202403/350-365.pdf

WebIn a vertex--degree--based topological index called the Lanzhou index, \(Lz(G)\), is defined as $$ Lz(G)=\sum_{i=1}^n (n-1-d_i)d_i^2. $$ According to (11) the following relation … Web22 de fev. de 2024 · This paper analyzed the effectiveness of the chemical compounds pyroxene, amphibole, detour-saturated plants, and several antiviral medications listed for the Lanzhou index. The obtained results demonstrate a significant relationship between the Lanzhou index under investigation and the physicochemical features of potential …

WebABSTRACT. The Lanzhou index of a graph G is defined as the sum of the product between and square of du over all vertices u of G, where du and are respectively the degree of u … Web15 de mar. de 2024 · Abstract. In this paper, we consider the relations between three degree-based graph invariants, namely, the second Zagreb index , forgotten index and Lanzhou index for a general graph and a tree . We prove that for a graph with independence number , there exists , there exists with equality if and only if.

WebIbis hotels (lanzhou west square shop) is located in the chengguan district lanzhou city qingyang road, 19. Hotel has business rooms, to provide quality bedding, broadband …

Web17 de set. de 2024 · The Health Commission of Lanzhou, the capital city of Gansu province, confirmed that 3,245 people had contracted the disease brucellosis, which is often caused by contact with livestock carrying ... or8a1WebIn 1928, Gansu Law and Politics School was expanded into Sun Yat-sen University of Lanzhou and in 1945, National Lanzhou University. After the founding of People’s Republic of China, by pursuing the education strategy of the Communist party of China and insisting on the right direction of development, it grew bigger and became well … portsmouth nh floteor90scg2x1Web1 de jan. de 2024 · Let G be a simple graph with vertex set V (G). The Lanzhou index of G is defined as Lz(G) = u∈V (G) d G (u)dG(u) 2 , where dG(u) denotes the degree of the vertex u in G and G is the complement of G. portsmouth nh flowers deliveryWebLanzhou index. Vukičević, Damir; Li, Qiuli; Sedlar, Jelena; Došlić, Tomislav. We introduce and investigate a new topological index, the Lanzhou index, and show that it outperforms … or91710Web10 de dez. de 2024 · The Lanzhou index of a graph is defined by , where denoted by the degree of the vertex v in . In a chemical graph, the topological index can help determine … portsmouth nh events november 2021WebVDOMDHTMLtml>. 兰州市人民政府 政府工作报告. 政府工作报告. 政府工作报告. Produced By 大汉网络 大汉版通发布系统. or960a