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Relevant bibliographies by topics / Lambda-matrix

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Academic literature on the topic 'Lambda-matrix'

Author: Grafiati

Published: 4 June 2021

Last updated: 5 February 2022

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Journal articles on the topic "Lambda-matrix"

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Leung, A. Y. T. "Lambda matrix flexibility." Journal of Sound and Vibration 148, no. 3 (1991): 521–31. http://dx.doi.org/10.1016/0022-460x(91)90482-y.

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Dzhaliuk, N. S., and V. M. Petrychkovych. "The structure of solutions of the matrix linear unilateral polynomial equation with two variables." Carpathian Mathematical Publications 9, no. 1 (2017): 48–56. http://dx.doi.org/10.15330/cmp.9.1.48-56.

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We investigate the structure of solutions of the matrix linear polynomial equation $A(\lambda)X(\lambda)+B(\lambda)Y(\lambda)=C(\lambda),$ in particular, possible degrees of the solutions. The solving of this equation is reduced to the solving of the equivalent matrix polynomial equation with matrix coefficients in triangular forms with invariant factors on the main diagonals, to which the matrices $A (\lambda), B(\lambda)$ \ and \ $C(\lambda)$ are reduced by means of semiscalar equivalent transformations. On the basis of it, we have pointed out the bounds of the degrees of the matrix polynomi

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Srivastava, J. K., and B. K. Srivastava. "Matrix transformations involving certain Banach space valued sequence spaces." Tamkang Journal of Mathematics 31, no. 2 (2000): 85–100. http://dx.doi.org/10.5556/j.tkjm.31.2000.400.

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In this paper for Banach spaces $X$ and $Y$ we characterize matrix classes $ (\Gamma (X,\lambda)$, $ l_\infty(Y,\mu))$, $ (\Gamma(X,\lambda),C(Y,\mu))$, $ (\Gamma(X,\lambda)$, $ c_0(Y,\mu))$, $ (\Gamma(X,\lambda)$, $ \Gamma^*(Y,\mu))$, $ (l_1(X,\lambda)$, $ \Gamma(Y,\mu))$ and $ (c_0(X,\lambda)$, $ c_0(Y,\mu))$ of bounded linear operators involving $ X$- and $ Y$-valued sequence spaces. Further as an application of the matrix class $ (c_0(X,\lambda)$, $ c_0(Y,\mu))$ we investigate the Banach space $ B(c_0(X,\lambda)$, $ c_0(Y,\mu))$ of all bounded linear mappings of $ c_0(x,\lambda)$ to $ c_0(

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Lopez-Rodriguez, Pedro. "The Nevanlinna parametrization for a matrix moment problem." MATHEMATICA SCANDINAVICA 89, no. 2 (2001): 245. http://dx.doi.org/10.7146/math.scand.a-14340.

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We obtain the Nevanlinna parametrization for an indeterminate matrix moment problem, giving a homeomorphism between the set $V$ of solutions to the matrix moment problem and the set $\mathcal V$ of analytic matrix functions in the upper half plane such that $V(\lambda )^*V(\lambda )\le I$. We characterize the N-extremal matrices of measures (those for which the space of matrix polynomials is dense in their $L^2$-space) as those whose corresponding matrix function $V(\lambda )$ is a constant unitary matrix.

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Ahmad, Sk, and Rafikul Alam. "On Wilkinson's problem for matrix pencils." Electronic Journal of Linear Algebra 30 (February 8, 2015): 632–48. http://dx.doi.org/10.13001/1081-3810.3145.

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Suppose that an n-by-n regular matrix pencil A -\lambda B has n distinct eigenvalues. Then determining a defective pencil Eâ\lambda F which is nearest to Aâ\lambda B is widely known as Wilkinsonâs problem. It is shown that the pencil E â\lambda F can be constructed from eigenvalues and eigenvectors of A â\lambda B when A â \lambda B is unitarily equivalent to a diagonal pencil. Further, in such a case, it is proved that the distance from A â\lambda B to E â \lambdaF is the minimum âgapâ between the eigenvalues of A â \lambdaB. As a consequence, lower and upper bounds for

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Chu, Moody T., T. Y. Li, and Tim Sauer. "Homotopy Method for General $\lambda $-Matrix Problems." SIAM Journal on Matrix Analysis and Applications 9, no. 4 (1988): 528–36. http://dx.doi.org/10.1137/0609043.

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Rokne, J. "Including iterations for the lambda-matrix eigenproblem." Computing 35, no. 2 (1985): 207–18. http://dx.doi.org/10.1007/bf02260506.

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Julio, Ana, and Ricardo Soto. "The role of certain Brauer and Rado results in the nonnegative inverse spectral problems." Electronic Journal of Linear Algebra 36, no. 36 (2020): 484–502. http://dx.doi.org/10.13001/ela.2020.4935.

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It is said that a list $\Lambda =\{\lambda _{1},\ldots ,\lambda _{n}\}$ of complex numbers is realizable, if it is the spectrum of a nonnegative matrix $A$. It is said that $\Lambda $ is universally realizable if it is realizable for each possible Jordan canonical form allowed by $\Lambda$. This work does not contain new results. As its title says, its goal is to show and emphasize the relevance and importance of certain results, by Brauer and Rado, in the study of nonnegative inverse spectral problems. It is shown that virtually all known results, which give sufficient conditions for $\Lambda

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Gupta, M., and L. R. Acharya. "Approximation numbers of matrix transformations and inclusion maps." Tamkang Journal of Mathematics 42, no. 2 (2011): 193–203. http://dx.doi.org/10.5556/j.tkjm.42.2011.924.

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In this paper we establish relationships of the approximation numbers of matrix transformations acting between the vector-valued sequence spaces spaces of the type $\lambda(X)$ defined corresponding to a scalar-valued sequence space $\lambda$ and a Banach space $(X,\|.\|)$ as $$\lambda(X)=\{\overline x=\{x_i\}: x_i\in X, \forall~i\in \mathbb{N},~\{\|x_i\|_X\}\in \lambda\};$$ with those of their component operators. This study leads to a characterization of a diagonal operator to be approximable. Further, we compute the approximation numbers of inclusion maps acting between $\ell^p(X)$ spaces f

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Kokabifar, E., G. B. Loghmani, and Panayiotis Psarrakos. "On the distance from a weakly normal matrix polynomial to matrix polynomials with a prescribed multiple eigenvalue." Electronic Journal of Linear Algebra 31 (February 5, 2016): 71–86. http://dx.doi.org/10.13001/1081-3810.2921.

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Consider an$n\times n matrix polynomial P(\lambda). An upper bound for a spectral norm distance from P(\lambda) to the set of n \times n matrix polynomials that have a given scalar Î¼ in C as a multiple eigenvalue was obtained by Papathanasiou and Psarrakos (2008). This paper concerns a refinement of this result for the case of weakly normal matrix polynomials. A modified method is developed and its efficiency is verified by two illustrative examples. The proposed methodology can also be applied to general matrix polynomials.

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Dissertations / Theses on the topic "Lambda-matrix"

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吳鎮宇 and Chun-yu Ng. "On the matrix equation Am + dI + [lambda] J." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31226565.

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Ng, Chun-yu. "On the matrix equation Am + dI + [lambda] J /." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25211973.

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Clemence, Dominic Pharaoh. "Half-bound states of a one-dimensional Dirac system: their effect on the Titchmarsh-Weyl M([lambda])-function and the scattering matrix." Diss., Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/53936.

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We study the effect of the so-called half-hound states on the Titchmarsh-Weyl M(λ)· function and the S-matrix for a one dimensional Dirac system. For short range potentials with finite first (absolute) moments, we gave an M(λ) characterization of half bound states and, as a corollary, we deduce the behavior of the spectral function near the spectral gap endpoints. Further, we establish community of the S-matrix in momentum space and prove the Levinson theorem as a corollary to this analysis. We also obtain explicit asymptotics of the S-matrix for power-law potentials<br>Ph. D.

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Thüne, Mario. "Eigenvalues of Matrices and Graphs." Doctoral thesis, Universitätsbibliothek Leipzig, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-120713.

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The interplay between spectrum and structure of graphs is the recurring theme of the three more or less independent chapters of this thesis. The first chapter provides a method to relate the eigensolutions of two matrices, one being the principal submatrix of the other, via an arbitrary annihilating polynomial. This is extended to lambda-matrices and to matrices the entries of which are rational functions in one variable. The extension may be interpreted as a possible generalization of other known techniques which aim at reducing the size of a matrix while preserving the spectral information.

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González, Pintor Sebastián. "Approximation of the Neutron Diffusion Equation on Hexagonal Geometries." Doctoral thesis, Universitat Politècnica de València, 2012. http://hdl.handle.net/10251/17829.

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La ecuación de la difusión neutrónica describe la población de neutrones de un reactor nuclear. Este trabajo trata con este modelo para reactores nucleares con geometría hexagonal. En primer lugar se estudia la ecuación de la difusión neutrónica. Este es un problema diferencial de valores propios, llamado problema de los modos Lambda. Para resolver el problema de los modos Lambda se han comparado diferentes métodos en geometrías unidimensionales, resultando como el mejor el método de elementos espectrales. Usando este método discretizamos los operadores en geometrías bidimensiones y tridimensi

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Thüne, Mario. "Eigenvalues of Matrices and Graphs." Doctoral thesis, 2012. https://ul.qucosa.de/id/qucosa%3A12068.

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Abstract:

The interplay between spectrum and structure of graphs is the recurring theme of the three more or less independent chapters of this thesis. The first chapter provides a method to relate the eigensolutions of two matrices, one being the principal submatrix of the other, via an arbitrary annihilating polynomial. This is extended to lambda-matrices and to matrices the entries of which are rational functions in one variable. The extension may be interpreted as a possible generalization of other known techniques which aim at reducing the size of a matrix while preserving the spectral information.

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Book chapters on the topic "Lambda-matrix"

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Cabibbo, Nicola, Luciano Maiani, and Omar Benhar. "S-Matrix Feynman Diagrams in λ ϕ 4 $ \lambda \phi ^4 $." In An Introduction to Gauge Theories. CRC Press, 2017. http://dx.doi.org/10.1201/9781315369723-9.

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Conference papers on the topic "Lambda-matrix"

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Menadue, Benjamin J., Waseem Kamleh, Derek B. Leinweber, and M. S. Mahbub. "Extracting Low-Lying Lambda Resonances Using Correlation Matrix Techniques." In T(R)OPICAL QCD II WORKSHOP. AIP, 2011. http://dx.doi.org/10.1063/1.3587609.

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Lee, Guang-He, and Shou-De Lin. "LambdaMF: Learning Nonsmooth Ranking Functions in Matrix Factorization Using Lambda." In 2015 IEEE International Conference on Data Mining (ICDM). IEEE, 2015. http://dx.doi.org/10.1109/icdm.2015.108.

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Mishra, Vinod K. "Quantum fisher information matrix of a single qutrit in lambda configuration." In Quantum Information Science, Sensing, and Computation XIII, edited by Michael Hayduk and Eric Donkor. SPIE, 2021. http://dx.doi.org/10.1117/12.2587973.

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Käseberg, Tim, Johannes Dickmann, Thomas Siefke, Matthias Wurm, Stefanie Kroker, and Bernd Bodermann. "Mueller matrix ellipsometry for enhanced optical form metrology of sub-lambda structures." In Modeling Aspects in Optical Metrology VII, edited by Bernd Bodermann, Karsten Frenner, and Richard M. Silver. SPIE, 2019. http://dx.doi.org/10.1117/12.2527419.

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Yeşilkayagil, Medine, and Feyzi Başar. "On the fine spectrum of the operator defined by a lambda matrix over the sequence space c0 and c." In FIRST INTERNATIONAL CONFERENCE ON ANALYSIS AND APPLIED MATHEMATICS: ICAAM 2012. AIP, 2012. http://dx.doi.org/10.1063/1.4747674.

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Butler-Zimrin, A. E., J. S. Bennett, M. Poncz, et al. "ISOLATION AND CHARACTERIZATION OF cDNA CLONES FOR THE PLATELET MEMBRANE GLYCOPROTEINS IIb and IIIa." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643961.

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The platelet membrane GPIIb/GPIIIa complex on activated platelets contains receptors for fibrinogen, von Willebrand factor, and fibronectin. GPIIb and GPIlia also appear to be members of a family of membrane receptors involved in cell-cell and cell-matrix interactions. To study the structure of GPIIb and GPIIIa, we have constructed an expression library in the vector lambda gtll using mRNA from the HEL cell line and screened it with polyclonal antibody against each platelet protein. HEL cells constitutively express proteins similar to platelet GPIIb and GPIIIa. A 3.2kb GPIIb cDNA clone was ide

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Reports on the topic "Lambda-matrix"

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Levine, William. Measurement of Spin Density Matrix Elements in the Reaction y p to K+ Lambda(1520) Using CLAS at Jefferson Lab. Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1440763.

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