نتایج جستجو برای: venham index
تعداد نتایج: 396167 فیلتر نتایج به سال:
A Geografia da Saúde exerce um papel relevante no entendimento das diferentes enfermidades que podem ocorrer em determinado território. Com essa compreensão, potencializa-se a promoção de estratégias para enfrentar doença, como também meios promover saúde e qualidade vida população. produção cartográfica interpretação desses resultados subsidiar efetivação ferramentas auxiliem se tornar uma fer...
Dental anxiety is a common problem in younger children, especially those who have had traumatic or perceived dental treatments. Nitrous oxide (N2O) and oxygen (O2) been recommended by the American Academy of Pediatric Dentistry as optimal approach for uncooperative anxious patients. The study aimed to evaluate cooperation children treated on deciduous teeth without local anesthesia with rubber ...
As medidas executivas atípicas exercem papel fundamental para a manutenção do direito, pois seria tarefa impossível ao legislador imaginar todas as possibilidades que advém dos conflitos frutos das relações humanas, também de pouca valia se o estado resolver lide, não impusesse sua força coercitiva por falta legislação viesse amparar tal direito. Pensando nisso, delegou poder jurisdicional poss...
hansen et. al., using the autographix software package, conjectured that the szeged index $sz(g)$ and the wiener index $w(g)$ of a connected bipartite graph $g$ with $n geq 4$ vertices and $m geq n$ edges, obeys the relation $sz(g)-w(g) geq 4n-8$. moreover, this bound would be the best possible. this paper offers a proof to this conjecture.
the total irregularity of a graph g is defined as 〖irr〗_t (g)=1/2 ∑_(u,v∈v(g))▒〖|d_u-d_v |〗, where d_u denotes the degree of a vertex u∈v(g). in this paper by using the gini index, we obtain the ordering of the total irregularity index for some classes of connected graphs, with the same number of vertices.
the atom-bond connectivity index of graph is a topological index proposed by estrada et al.as abc (g) uve (g ) (du dv 2) / dudv , where the summation goes over all edges ofg, du and dv are the degrees of the terminal vertices u and v of edge uv. in the present paper,some upper bounds for the second type of atom-bond connectivity index are computed.
symmetric division deg index is one of the 148 discrete adriatic indices that showed good predictive properties on the testing sets provided by international academy of mathematical chemistry.symmetric division deg index is defined by$$sdd(g) = sume left( frac{min{d_u,d_v}}{max{d_u,d_v}} + frac{max{d_u,d_v}}{min{d_u,d_v}} right),$$where $d_i$ is the degree of vertex $i$ in graph $g$.in this pap...
let $g$ be a non-abelian group. the non-commuting graph $gamma_g$ of $g$ is defined as the graph whose vertex set is the non-central elements of $g$ and two vertices are joined if and only if they do not commute.in this paper we study some properties of $gamma_g$ and introduce $n$-regular $ac$-groups. also we then obtain a formula for szeged index of $gamma_g$ in terms of $n$, $|z(g)|$ and $|g|...
let $g$ be a simple connected graph. the edge-wiener index $w_e(g)$ is the sum of all distances between edges in $g$, whereas the hyper edge-wiener index $ww_e(g)$ is defined as {footnotesize $w{w_e}(g) = {frac{1}{2}}{w_e}(g) + {frac{1}{2}} {w_e^{2}}(g)$}, where {footnotesize $ {w_e^{2}}(g)=sumlimits_{left{ {f,g} right}subseteq e(g)} {d_e^2(f,g)}$}. in this paper, we present explicit formula fo...
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