Results 51 to 60 of about 138,468 (211)

The Sum Two of Hermitian Operators Ai=Ti+Mi for Solving the Equations{Ai X=Ui },i=1,2

Wasit Journal for Pure Sciences, 2023
In this work we study a new class of equations (Ti+Mi)X=Ui, i=1,2 including the sum two of Hermitian operatorsTi and Mi  , i=1,2, concerning the kind of spaces are Hilbert.
Eman Sadiq
doaj   +1 more source

Universality of the local spacing distribution in certain ensembles of hermitian Wigner matrices

, 2000
Consider an $N\times N$ hermitian random matrix with independent entries, not necessarily Gaussian, a so called Wigner matrix. It has been conjectured that the local spacing distribution, i.e.
Johansson, Kurt
core   +2 more sources

Reduction of the Pseudoinverse of a Hermitian Persymmetric Matrix [PDF]

Mathematics of Computation, 1974
When the pseudoinverse of a Hermitian persymmetric matrix is computed, both computer time and storage can be reduced by taking advantage of the special structure of the matrix.
openaire   +1 more source

Pseudo-Supersymmetry and the Domain-Wall/Cosmology Correspondence [PDF]

, 2006
The correspondence between domain-wall and cosmological solutions of gravity coupled to scalar fields is explained. Any domain wall solution that admits a Killing spinor is shown to correspond to a cosmology that admits a pseudo-Killing spinor: whereas ...
Kostas Skenderis, Lopes Cardoso G, Paul K Townsend, Sonner J   +3 more
core   +3 more sources

ASYMPTOTIC ANALYSIS OF A HERMITIAN MATRIX INTEGRAL [PDF]

International Journal of Mathematics, 1995
The asymptotic expansion of a Hermitian matrix integral known as the Penner model is rigorously calculated.
openaire   +2 more sources

Pseudo-hermitian random matrix models: General formalism

Nuclear Physics B, 2022
Pseudo-hermitian matrices are matrices hermitian with respect to an indefinite metric. They can be thought of as the truncation of pseudo-hermitian operators, defined over some Krein space, together with the associated metric, to a finite dimensional ...
Joshua Feinberg, Roman Riser
doaj   +1 more source

PT symmetry and large-N models

, 2008
Recently developed methods for PT-symmetric models can be applied to quantum-mechanical matrix and vector models. In matrix models, the calculation of all singlet wave functions can be reduced to the solution a one-dimensional PT-symmetric model.
Bender C M, Meisinger P N Ogilvie M C, Meisinger P N Ogilvie M C, Michael C Ogilvie, Peter N Meisinger   +4 more
core   +1 more source

Boundary value problems for the quaternionic Hermitian system in R-4n [PDF]

, 2012
In this paper boundary value problems for quaternionic Hermitian monogenic functions are presented using a circulant matrix ...
Abreu-Blaya, Ricardo, Bory-Reyes, Juan, Brackx, Fred, De Schepper, Hennie, Sommen, Franciscus   +4 more
core   +3 more sources

Photonic Time Crystals and Time‐Varying Electromagnetic Metamatter: A New Direction for Ultrafast Tunable Photonic and Microwave Materials and Devices

Advanced Science, EarlyView.
Photonic time crystals (PTCs) are systems in which electromagnetic parameters are modulated periodically in time, producing momentum bandgaps via temporal scattering rather than spatial Bragg processes. This review examines the theoretical frameworks, modeling, and computational tools for time‐varying media, and summarizes experimental demonstrations ...
Ranjan Kumar Patel, Shriram Ramanathan, Ronald P. Jenkins, Michael J. Carter   +3 more
wiley   +1 more source

Hessian equations of Krylov type on compact Hermitian manifolds

Open Mathematics, 2022
In this article, we are concerned with the equations of Krylov type on compact Hermitian manifolds, which are in the form of the linear combinations of the elementary symmetric functions of a Hermitian matrix.
Zhou Jundong, Chu Yawei
doaj   +1 more source