Results 141 to 150 of about 561,362 (306)
About the group inverse and Moore-Penrose inverse of a product
, 1991 Let A be a matrix over a ring. Suppose that P, Q, P′, and Q′ are matrices over the ring such that P′PA=A=AQQ′. If A has group inverse A#, then PAQ has a group inverse iff AA#QPA+1−AA#is invertible.
Gouveia, M.C., Puystjens, R.
core +1 more source
In this paper, we introduce a new matrix decomposition called the m-Core-nilpotent decomposition which is an extension of the Core-nilpotent decomposition.
Gao, Jiale +3 more
core
Group inverse of the laplacian of connections of networks
, 2018 In previous works the group inverse of a network obtained by some perturbations, as the deletion of a vertex, the addition of a new vertex, contraction of an edge, etc. is obtained in terms of the group inverse of the original network.
Gago Álvarez, Silvia
core +1 more source
PLOT SIZE AND MAIZE PRODUCTIVITY IN ZAMBIA: THE INVERSE RELATIONSHIP RE-EXAMINED
Agricultural productivity is known to decline with farm size in many developing countries. This may be a result of market imperfections, such as missing rural labor markets. On the other hand, there may be economies of scale in farming, due, for instance,
Kimhi, Ayal
core
On generators and presentations of semidirect products in inverse semigroups
, 2011 In this paper we prove two main results. The first is a necessary and sufficient condition for a semidirect product of a semilattice by a group to be finitely generated.
Ruskuc, Nik, Dombi, Erzsebet Rita
core +1 more source
Stretching the Printability Metric in Direct‐Ink Writing with Highly Extensible Yield‐Stress Fluids
Advanced Functional Materials, EarlyView.This study introduces “drawability” as a new metric for assessing printability in direct‐ink writing, focusing on gap‐spanning performance and speed robustness. By designing yield‐stress fluids with high extensibility, we demonstrate that extensional strain‐to‐break significantly enhances printability.
Chaimongkol Saengow +9 more
wiley +1 more source
Magnetic Control of Chiral Hybridized Phonon Magnetic Moments in Ferrimagnets Fe2‐xZnxMo3O8
Advanced Functional Materials, EarlyView.Helicity‐resolved magneto‐Raman spectroscopy reveals magnetic control of chiral phonon magnetic moments in polar ferrimagnet (ZnxFe2−xMo3O₈). Large spontaneous zero‐field phonon splittings, selective phonon–magnon coupling, and asymmetric Zeeman responses demonstrate that phonon chirality is governed by magnon‐phonon coupling and magnetization.
Youngsu Choi +8 more
wiley +1 more source
About group isotopes with inverse property.
, 2019 About group isotopes with inverse ...
Sokhatsky, F., Lutsenko, A.
core
Ferroelectricity in Antiferromagnetic Wurtzite Nitrides
Advanced Functional Materials, EarlyView.We establish MnSiN2${\rm MnSiN}_2$ and MnGeN2${\rm MnGeN}_2$ as aristotypes of a new multiferroic wurtzite family that simultaneously exhibits ferroelectricity and antiferromagnetism with altermagnetic spin splitting. By strategically substituting alkaline‐earth metals, we predict new materials with coexisting switchable polarization, spin texture, and
Steven M. Baksa +3 more
wiley +1 more source
Spatially Modulated Morphotropic Phase Boundaries in a Compressively Strained Multiferroic Thin Film
Advanced Functional Materials, EarlyView.ABSTRACT The coexisting rhombohedral‐like (R′, MA) and tetragonal‐like (T′, MC) monoclinic phases in compressively strained bismuth ferrite thin films exhibit exceptional piezoelectric and magnetic properties. While previous studies have largely focused on probing the morphotropic phase boundaries (MPBs) comprising ordered R′/T′ twins, their self ...
Ting‐Ran Liu +7 more
wiley +1 more source