Results 11 to 20 of about 30,725 (159)

Estrada and L-Estrada Indices of Edge-Independent Random Graphs [PDF]

open access: yesSymmetry, 2015
Let \(G\) be a simple graph of order \(n\) with eigenvalues \(\lambda_1,\lambda_2,\cdots,\lambda_n\) and normalized Laplacian eigenvalues \(\mu_1,\mu_2,\cdots,\mu_n\). The Estrada index and normalized Laplacian Estrada index are defined as \(EE(G)=\sum_{k=1}^ne^{\lambda_k}\) and \(\mathcal{L}EE(G)=\sum_{k=1}^ne^{\mu_k-1}\), respectively.
openaire   +1 more source

Projetos ferroviários em Santa Catarina: as tentativas fracassadas para formar um sistema ferroviário catarinense

open access: yesTextos de Economia, 2009
O objetivo deste artigo é descrever e analisar os projetos ferroviários não executados em Santa Catarina apresentados entre os anos de 1867 a 1923. O texto está dividido em cinco partes.
Alcides Goularti Filho
doaj   +1 more source

Computing the Energy and Estrada Index of Different Molecular Structures

open access: yesJournal of Chemistry, 2022
Graph energy is an invariant that is derived from the spectrum of the adjacency matrix of a graph. Graph energy is actually the absolute sum of all the eigenvalues of the adjacency matrix of a graph i.e.
Zeeshan Saleem Mufti   +5 more
doaj   +1 more source

ESTRADA – SYNTHESIS ART. SPECIFICS AND PARTICULARITIES [PDF]

open access: yesStudiul Artelor şi Culturologie: Istorie, Teorie, Practică, 2020
Estrada – art of synthesis, which encompasses most of the genres of art: acting art, musical art, choreographic art, plastic arts etc. Estrada, at the moment, is one of the most widespread forms of art.
BASAEV ELENA
doaj  

Püstijalakomöödia Eestis: estraadietendustest Comedy Estoniani [PDF]

open access: yesMäetagused, 2012
The article describes stand-up comedy in Estonia in relation to the local history of the genre. The aim is to cast light upon how the cultural context, but also the performer and audience interaction, works in achieving popularity of comic performance ...
Liisi Laineste
doaj  

A New Like Quantity Based on “Estrada Index”

open access: yesJournal of Inequalities and Applications, 2010
We first define a new Laplacian spectrum based on Estrada index, namely, Laplacian Estrada-like invariant, LEEL, and two new Estrada index-like quantities, denoted by S and EEX, respectively, that are generalized versions of the Estrada index. After that,
A. Dilek Güngör
doaj   +1 more source

Ensayo y vida : el significado de Montaigne para Ezequiel Martínez Estrada

open access: yesÉtudes romanes de Brno, 2017
En su extenso ensayo sobre la vida y obra de Miguel de Montaigne el ensayista argentino Ezequiel Martínez Estrada ofreció un estudio incisivo y bellamente escrito sobre el famoso escritor francés. El favorable retrato literario que Martínez Estrada traza
Amán Rosales Rodríguez
doaj   +1 more source

La dictadura perfecta

open access: yesEnsambles, 2023
Dirección: Luis Estrada. Producción: Luis Estrada. Bandidos Films / Eficine 226 / Estudios Churubusco Azteca S.A. / Fondo de Inversión y Estímulos al Cine (FIDECINE) / Instituto Mexicano de Cinematografía (IMCINE).
Luis Estrada
doaj  

On some aspects of the generalized Petersen graph

open access: yesElectronic Journal of Graph Theory and Applications, 2017
Let $p \ge 3$ be a positive integer and let $k \in {1, 2, ..., p-1} \ \lfloor p/2 \rfloor$. The generalized Petersen graph GP(p,k) has its vertex and edge set as $V(GP(p, k)) = \{u_i : i \in Zp\} \cup \{u_i^\prime : i \in Z_p\}$ and $E(GP(p, k)) = \{u_i ...
V. Yegnanarayanan
doaj   +1 more source

La influencia del contexto europeo posterior a 1848 en el pensamiento de José María Gutiérrez de Estrada

open access: yesHistoria Mexicana El Colegio de México, 2023
El presente artículo analiza aspectos poco conocidos de la trayectoria de José María Gutiérrez de Estrada. Su objetivo principal es exponer la influencia del contexto europeo posrevolucionario de 1848 en las ideas de este campechano. Con base en fuentes
Maddalena Burelli
doaj   +1 more source

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