Results 81 to 90 of about 337 (185)

The simplicity of some zero-symmetric and nonzero-symmetric near-rings

open access: yes, 1993
Vita.In this dissertation the simplicity of some nonzero-symmetric as well as zero-symmetric near-rings is investigated, with emphasis on the relationship between the simplicity of the near-ring, N, and the simplicity of its zero-symmetric subnear-ring ...
Kabza, Lucyna
core  

Factors Affecting Recollapse of the Augmented Vertebrae After Percutaneous Vertebral Augmentation: A Prospective Study

open access: yesAGING MEDICINE, EarlyView.
To investigate the relevant factors of augmented vertebrae recollapse after percutaneous vertebral augmentation (PVA) for the treatment of osteoporotic vertebral compression fractures (OVCFs). Intervertebral cleft (IVC) and those with PVP intervention are at higher risk of recollapse.
Yawen Zhang   +6 more
wiley   +1 more source

Can outsourcing pest and disease control help reduce pesticide expenditure? Evidence from rice farmers

open access: yesAgribusiness, EarlyView.
Abstract Outsourcing pest and disease control (PDC) has grown rapidly worldwide, especially in developing countries. Although numerous studies have investigated various advantages of outsourcing PDC, little is known about its impact on pesticide expenditure.
Pengcheng Wang   +2 more
wiley   +1 more source

Centralizer Rigidity near Elements of the Weyl Chamber Flow

open access: yes
In this paper, we prove centralizer rigidity near an element of the Weyl chamber flow on a semisimple Lie group. We show that a volume preserving perturbation of an element of the Weyl chamber flow on a quotient $G/\Gamma$ of an $\mathbb{R}$-split ...
Wang, Zhijing Wendy
core  

A Some Results on Double Cenralizer for Prime and Semiprime Г- rings

open access: yes
             The goal of this work, is to examine the concept of a double centralizer, and double Jordan centralizer on prime and semiprime Г-rings, this is done by studying examples, remarks and results related to that concepts and looking for the ...
Azza I.M.S. Abu-Shams   +3 more
core   +1 more source

Farmers' Participation in Messenger‐Based Social Groups And Its Effects on Performance in Irrigated Areas of Kazakhstan and Uzbekistan

open access: yesAgribusiness, EarlyView.
ABSTRACT The penetration of information and communication technologies (ICTs) in farming communities is increasing the use of smartphone‐based instant messaging apps. Despite this, the reasons behind participation and the impact on farm productivity in developing countries remain unexplored.
Zafar Kurbanov   +4 more
wiley   +1 more source

The Role of Actual and Purported Origin in e‐Commerce Wine Pricing: Evidence From Italian and French Names on Labels

open access: yesAgribusiness, EarlyView.
ABSTRACT The origin of a product, if associated with good quality, can contribute to building a positive collective reputation, leading to a potential price premium. However, it is conceivable that a producer markets a product by evoking symbols, images, words, and values typical of places other than where it was designed or produced, creating a ...
Annalisa Caloffi   +2 more
wiley   +1 more source

Open problems, questions and challenges in finite- dimensional integrable systems. [PDF]

open access: yesPhilos Trans A Math Phys Eng Sci, 2018
Bolsinov A   +3 more
europepmc   +1 more source

*-?-derivations of prime *-rings [PDF]

open access: yes, 2018
Fen Bilimleri Enstitüsü, Matematik Ana Bilim DalıBu tezde asal, *-asal ve asal*-halkalar üzerinde türev yardımıyla halkanın değişmeliliği incelenmiş olup dahası K.H.Kim, Y.H.Lee'nin 2017 yılında yapmış oldukları "Asal *-Halkalarda *-Türevler" isimli ...
Bosnalı, Gülay
core  

The Geography of Success: A Spatial Analysis of Export Intensity in the Italian Wine Industry

open access: yesAgribusiness, EarlyView.
ABSTRACT This paper investigates the paradox of how Italy's fragmented, SME‐dominated wine industry achieves global export success. Moving beyond purely firm‐centric explanations, we test whether export intensity is spatially dependent, clustering geographically in regional ecosystems.
Nicolas Depetris Chauvin, Jonas Di Vita
wiley   +1 more source

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