منابع مشابه
Sir William Paton (1917–1993)
Bill Paton's principal career was in experimental pharmacology, and from his student days he was marked for distinction. He took first class honours at Oxford University and won gold medals during his clinical training at University College Hospital. He was a Reader at the age of 35, a Professor two years later, and a Fellow of the Royal Society before he was 40. He returned to Oxford as Profes...
متن کاملEstrada and L-Estrada Indices of Edge-Independent Random Graphs
Let G be a simple graph of order n with eigenvalues λ1, λ2, · · · , λn and normalized Laplacian eigenvalues μ1,μ2, · · · ,μn. The Estrada index and normalized Laplacian Estrada index are defined as EE(G) = ∑n k=1 e λk and LEE(G) = ∑n k=1 e μk−1, respectively. We establish upper and lower bounds to EE and LEE for edge-independent random graphs, containing the classical Erdös-Rényi graphs as spec...
متن کاملLaplacian Estrada and Normalized Laplacian Estrada Indices of Evolving Graphs
Large-scale time-evolving networks have been generated by many natural and technological applications, posing challenges for computation and modeling. Thus, it is of theoretical and practical significance to probe mathematical tools tailored for evolving networks. In this paper, on top of the dynamic Estrada index, we study the dynamic Laplacian Estrada index and the dynamic normalized Laplacia...
متن کاملLower Bounds for Estrada Index
If G is an (n,m)-graph whose spectrum consists of the numbers λ1, λ2, . . . , λn, then its Estrada index is EE(G) = ∑n i=1 e λi . We establish lower bounds for EE(G) in terms of n and m. Introduction In this paper we are concerned with simple graphs, that have no loops and no multiple or directed edges. Let G be such a graph, and let n and m be the number of its vertices and edges. Then we say ...
متن کاملJulio Cesar Voltarelli 1948-2012
DOI: 10.5581/1516-8484.20120060 Graduated from the Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo (FMRP-USP) (1967-1972), resident in internal medicine and hematology of Hospital das Clínicas da FMRP-USP (1973-74), M.Sc. (1975-1978) and Ph.D. (1978-1981) degrees in internal medicine (hematology and clinical immunology) from FMRP-USP. Post-doctorate at the University of Cal...
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ژورنال
عنوان ژورنال: Procesos. Revista ecuatoriana de historia
سال: 2015
ISSN: 2588-0780,1390-0099
DOI: 10.29078/rp.v1i4.473