Graph spectraeigenvalueslocal multiplicityline graphThe local spectrum of a graph G = ( V , E ), constituted by the standard eigenvalues of G and their local multiplicities, plays a similar role as the global spectrum when the graph is "seen" from a given vertex. Thus, for each vertex i...
Define spectral line. spectral line synonyms, spectral line pronunciation, spectral line translation, English dictionary definition of spectral line. n. An isolated bright or dark line in a spectrum produced by emission or absorption of light of a single
for strongresonance lines, was often applied in combination with the so-called curve of growth technique developed by Dutch astronomer Marcel Minnaert and collaborators C. Slob and G.F.W. Mulders in the early 1930s (Goldberg et al., 1960). The curve of growth is a graph showing how the...
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Methods for quantification and de novo polypeptide sequencing by mass spectrometry The method consists of: (a) constructing a graph from mass spectra of two or more differentially labeled polypeptides, the graph comprising a node with mass m, number of labels n, intensity i, and mass differential...
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It is shown that the Stokes parameters of the line radiation may be computed by using the line source function in the absence of a magnetic field as a first approximation for that in the presence of a magnetic field.关键词: solar spectra spectra/ A3000 Atomic and molecular physics A9660 ...
Let Ca,b,c be such a graph, where a, b and c are the lengths of the paths. In this paper, we show that line graphs of T-shape trees, with the sole exception of Ca,a,2a+1, are determined by the spectra of their signless Laplacian matrices. For the graph Ca,a,2a+1 we ...
Let G be a mixed graph with a nonzero Laplacian eigenvalue μ of multiplicity k. A line star set for μ in G is a set Y of k edges of G such that μ is not a Laplacian eigenvalue of G−Y. It is shown that line star set exists for any nonzero Laplacian eigenvalue of any ...
I had observed that there were different lines exhibited in the spectra of different metals when ignited in the voltaic arc; and if I had had any reasonable amount of wit I ought to have seen the converse, viz., that by ignition different bodies show in their spectral lines the materials ...