Results 31 to 40 of about 173,375 (235)

Perfect State Transfer: Beyond Nearest-Neighbor Couplings [PDF]

open access: yes, 2005
In this paper we build on the ideas presented in previous works for perfectly transferring a quantum state between opposite ends of a spin chain using a fixed Hamiltonian.
A. C. Downing   +3 more
core   +1 more source

Inverse eigenvalue problem of cell matrices

open access: yesCzechoslovak Mathematical Journal, 2019
10 ...
Khim, Sreyaun, Rodtes, Kijti
openaire   +3 more sources

Numerical construction of structured matrices with given eigenvalues

open access: yesSpecial Matrices, 2019
We consider a structured inverse eigenvalue problem in which the eigenvalues of a real symmetric matrix are specified and selected entries may be constrained to take specific numerical values or to be nonzero.
Sutton Brian D.
doaj   +1 more source

Computation of interior elastic transmission eigenvalues using a conforming finite element and the secant method

open access: yesResults in Applied Mathematics, 2020
The interior elastic transmission eigenvalue problem, arising from the inverse scattering theory of non-homogeneous elastic media, is nonlinear, non-self-adjoint and of fourth order.
Xia Ji, Peijun Li, Jiguang Sun
doaj   +1 more source

Inverse multiparameter eigenvalue problems for matrices III [PDF]

open access: yesProceedings of the Edinburgh Mathematical Society, 1986
This note will complement and, in a certain sense, complete our earlier studies [3, 4] of the theory of inverse multiparameter eigenvalue problems for matrices. In those papers, we considered the so called “additive inverse problem” which, briefly stated for the 2-parameter case, asks for conditions on given n × n matrices A, B, C and on given points ...
Browne, Patrick J., Sleeman, B. D.
openaire   +3 more sources

Estimates of complex eigenvalues and an inverse spectral problem for the transmission eigenvalue problem

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2019
This work deals with the interior transmission eigenvalue problem: $y'' + {k^2}\eta \left( r \right)y = 0$ with boundary conditions ${y\left( 0 \right) = 0 = y'\left( 1 \right)\frac{{\sin k}}{k} - y\left( 1 \right)\cos k},$ where the function $\eta(r ...
Xiao-Chuan Xu   +3 more
doaj   +1 more source

The inverse eigenvalue problem for a Hermitian reflexive matrix and the optimization problem [PDF]

open access: yes, 2016
The inverse eigenvalue problem and the associated optimal approximation problem for Hermitian reflexive matrices with respect to a normal {k+1}-potent matrix are considered.
Arnold   +17 more
core   +2 more sources

Recursive integral method for transmission eigenvalues

open access: yes, 2015
Recently, a new eigenvalue problem, called the transmission eigenvalue problem, has attracted many researchers. The problem arose in inverse scattering theory for inhomogeneous media and has important applications in a variety of inverse problems for ...
Huang, Ruihao   +3 more
core   +1 more source

The Multiplicative Inverse Eigenvalue Problem over an Algebraically Closed Field [PDF]

open access: yes, 2000
Let $M$ be a square matrix and let $p(t)$ be a monic polynomial of degree $n$. Let $Z$ be a set of $n\times n$ matrices. The multiplicative inverse eigenvalue problem asks for the construction of a matrix in $Z$ such that the product matrix $MZ$ has ...
Joachim Rosenthal   +3 more
core   +3 more sources

Inverse eigenvalue problems

open access: yesLinear Algebra and its Applications, 1977
In this paper the author describes two general methods to solve various inverse eigenvalue problems (i.e.p.). The first method is to state an i.e.p. as a system of polynomial equations. By rediscovering the non-linear alternative due to \textit{E. Noether} and \textit{B. L. van der Waerden} [Nachrichten der Gesellschaft der Wissenschaften zu Göttingen,
openaire   +2 more sources

Home - About - Disclaimer - Privacy