Results 21 to 30 of about 1,487,617 (328)

Extensions of the matrix Gelfand-Dickey hierarchy from generalized Drinfeld-Sokolov reduction [PDF]

open access: yes, 1995
The $p\times p$ matrix version of the $r$-KdV hierarchy has been recently treated as the reduced system arising in a Drinfeld-Sokolov type Hamiltonian symmetry reduction applied to a Poisson submanifold in the dual of the Lie algebra $\widehat{gl}_{pr ...
A. Deckmyn   +34 more
core   +3 more sources

M-matrix and inverse M-matrix extensions

open access: yesSpecial Matrices, 2020
A class of matrices that simultaneously generalizes the M-matrices and the inverse M-matrices is brought forward and its properties are reviewed. It is interesting to see how this class bridges the properties of the matrices it generalizes and provides a
McDonald J.J.   +6 more
doaj   +1 more source

P-Matrix Reasoning and Information Intelligent Mining

open access: yesApplied Mathematics and Nonlinear Sciences, 2022
Abstract P-sets (P stand for Packet) and P-matrix are novel and effective mathematical tools for studying dynamic information systems. In this paper, the concept of P-information mining is given by using the dynamic characteristics of P-sets and P-matrix structure.
Xiuquan Zhang, Lin Shen
openaire   +1 more source

Dynamical CP Violation in the Early Universe and Leptogenesis [PDF]

open access: yes, 2005
In a recent publication, we suggested a mechanism for obtaining dynamical CP violation in the early Universe based on the out-of-equilibrium evolution of complex scalar fields.
A. D. Linde   +10 more
core   +1 more source

P matrix properties, injectivity, and stability in chemical reaction systems [PDF]

open access: yes, 2007
In this paper we examine matrices which arise naturally as Jacobians in chemical dynamics. We are particularly interested in when these Jacobians are P matrices (up to a sign change), ensuring certain bounds on their eigenvalues, precluding certain ...
Hadamard J.   +3 more
core   +1 more source

The combinatorially symmetric P-matrix completion problem

open access: yesThe Electronic Journal of Linear Algebra, 1996
An n-by-n real matrix is called a P -matrix if all its principal minors are positive. The P -matrix completion problem asks which partial P -matrices have a completion to a P -matrix. Here, we prove that every partial P -matrix with combinatorially symmetric speci ed entries has a P -matrix completion.
Johnson, Charles R, Kroschel, Brenda K
openaire   +4 more sources

The almost semimonotone matrices

open access: yesSpecial Matrices, 2019
A (strictly) semimonotone matrix A ∈ ℝn×n is such that for every nonzero vector x ∈ ℝn with nonnegative entries, there is an index k such that xk > 0 and (Ax)k is nonnegative (positive).
Wendler Megan
doaj   +1 more source

Multistep Transformations of DNA Origami Domino Array via Mechanical Forces

open access: yesSmall Structures, 2023
Nanostructures that display controllable motions and functions are indispensable to build molecular nanomachines. Structural DNA nanotechnology, enabling precise design of complex static and dynamic structures, can be used to construct molecular ...
Yan Liu   +8 more
doaj   +1 more source

Multidimensional extension of the generalized Chowla-Selberg formula [PDF]

open access: yes, 1997
After recalling the precise existence conditions of the zeta function of a pseudodifferential operator, and the concept of reflection formula, an exponentially convergent expression for the analytic continuation of a multidimensional inhomogeneous ...
Elizalde, E.
core   +2 more sources

The complex-type Padovan-p sequences [PDF]

open access: yesMathematica Moravica, 2022
In this paper, we define the complex-type Padovan-p sequence and then give the relationships between the Padovan-p numbers and the complex-type Padovan-p numbers.
Erdağ Özgür   +2 more
doaj   +1 more source

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