Results 221 to 230 of about 252,784 (258)

An estimator for the extreme-value index

Communications in Statistics - Theory and Methods, 1996
Asymptotic normally is derived for a new estimator of the extreme value index under certain conditions.
Draisma, Gerrit, de Haan, Laurens
exaly   +3 more sources

Asymptotically unbiased estimators for the extreme-value index

Statistics and Probability Letters, 1998
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
exaly   +2 more sources

Extremal Values of the Sombor Index in Tricyclic Graphs

match Communications in Mathematical and in Computer Chemistry, 2023
Summary: A vertex-degree-based molecular structure descriptor was introduced by \textit{I. Gutman} [MATCH Commun. Math. Comput. Chem. 86, No. 1, 11--16 (2021; Zbl 1474.92154)], named the Sombor index. The Sombor index of a graph \(G\) is defined as \(SO(G)=\sum\limits_{uv\in E(G)} \sqrt{d_G(u)^2+d_G(v)^2} \), where \(d_G(u)\) denotes the degree of the ...
Zhang, Mengyue, Zhao, Biao
openaire   +2 more sources

Unicyclic graphs with extremal values of arithmetic–geometric index

Discrete Applied Mathematics, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zana Kovijanic Vukicevic   +2 more
openaire   +1 more source

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