Results 111 to 120 of about 3,165,122 (307)

FACTORIZATION OF PERMUTATIONS

open access: yes, 2015
. We consider the problem of factorization of permutations. We begin with a discussion of some simple mathematical ideas behind a matching game known as Amidakuji concerning the assignment of n jobs to n people.
Zejun Huang   +11 more
core  

Generalized quadraticity of linear combination of two generalized quadratic matrices

open access: yes, 2015
It is investigated the necessary and sufficient conditions for the generalized quadraticity of a linear combination of any two generalized quadratic matrices.
Petik, Tuğba, Özdemir, Halim
core   +1 more source

Designing Wire Mazes for Replicating Natural Echoes to Study Bat Biosonar Function

open access: yesAdvanced Intelligent Systems, EarlyView.
A validated framework combining efficient physical modeling (multiple scattering model) and deep learning is presented to guide wire‐maze design for bat biosonar studies. This approach rapidly generates large datasets to test acoustic distinguishability among wire arrangements.
Chunlin Jia   +3 more
wiley   +1 more source

-Orthomorphisms and -Linear Operators on the Order Dual of an -Algebra

open access: yesAbstract and Applied Analysis, 2012
We consider the -orthomorphisms and -linear operators on the order dual of an -algebra. In particular, when the -algebra has the factorization property (not necessarily unital), we prove that the orthomorphisms, -orthomorphisms, and -linear operators on ...
Ying Feng, Jin Xi Chen, Zi Li Chen
doaj   +1 more source

Decomposição em valores singulares [PDF]

open access: yes, 2000
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Curso de Matemática.Não se pretende com ele esgotar o assunto (até mesmo por sua vastidão), mas como um apro-fundamento de conteúdos vistos em graduação.
Solto, Gilberto
core  

Category O for the Schrodinger algebra

open access: yes, 2014
We study category O for the (centrally extended) Schrodinger algebra. We determine the quivers for all blocks and relations for blocks of nonzero central charge. We also describe the quiver and relations for the finite dimensional part of O.
Zhao, Kaiming   +3 more
core   +1 more source

The Herfindahl neutral point: A firm‐level threshold for managing market concentration with evidence from US hog packing

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract This paper derives a firm‐level threshold, the Herfindahl Neutral Point, from the standard concentration index used in merger review. At this threshold, a marginal expansion leaves the index unchanged. Firms below the threshold reduce concentration when they expand; firms above it increase concentration.
Andrew J. Keller, Krishna P. Paudel
wiley   +1 more source

Quantum metrology with linear Lie algebra parameterizations

open access: yesPhysical Review Research
Lie algebraic techniques are powerful and widely used tools for studying dynamics and metrology in quantum optics. When the Hamiltonian generates a Lie algebra with finite dimension, the unitary evolution can be expressed as a finite product of ...
Ruvi Lecamwasam   +2 more
doaj   +1 more source

Computer algebra and transputers applied to the finite element method [PDF]

open access: yes, 1992
Recent developments in computing technology have opened new prospects for computationally intensive numerical methods such as the finite element method.
Barbier, Christine, Barbier, C
core  

A Variational Non-Linear Constrained Model for the Inversion of FDEM Data

open access: yes, 2021
Inverse problems arise in many fields of science and engineering like, e.g., astronomy, medicine, geophysics, imaging, and machine learning. We are faced with an inverse problem whenever we wish to reconstruct an unknown signal from some measured data ...
Diaz de Alba, Patricia
core  

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