Results 41 to 50 of about 257,106 (315)

Valuations and Frobenius [PDF]

open access: yesAlgebra Number Theory 10 (2016) 1057-1090, 2015
The behavior of the Frobenius map is investigated for valuation rings of prime characteristic. We show that valuation rings are always F-pure. We introduce a generalization of the notion of strong F-regularity, which we call F-pure regularity, and show that a valuation ring is F-pure regular if and only if it is Noetherian.
arxiv   +1 more source

Characterizing diophantine henselian valuation rings and valuation ideals [PDF]

open access: yes, 2016
We give a characterization, in terms of the residue field, of those henselian valuation rings and those henselian valuation ideals that are diophantine. This characterization gives a common generalization of all the positive and negative results on diophantine henselian valuation rings and diophantine valuation ideals in the literature.
arxiv   +1 more source

Valuation Semirings [PDF]

open access: yesJournal of Algebra and Its Applications, Vol. 16, No. 11 (2018) 1850073 (23 pages), 2015
The main scope of this paper is to introduce valuation semirings in general and discrete valuation semirings in particular. In order to do that, first we define valuation maps and investigate them. Then we define valuation semirings with the help of valuation maps and prove that a multiplicatively cancellative semiring is a valuation semiring if and ...
arxiv   +1 more source

Commercial Real Estate Rental Variation in Ilorin, Nigeria

open access: yesBaltic Journal of Real Estate Economics and Construction Management, 2022
The goal of any real estate investor is to maximize return. This can be achieved through the generation of rental income. Thus, it is pertinent that the nature and characteristics of rental value are understood by investors to enhance real estate market ...
Abdulmalik Fatimah Binta   +1 more
doaj   +1 more source

Population and species neighbor identity impact trait–trait relationships and plant performance

open access: yesPopulation Ecology, EarlyView.
We evaluated how populations and species identity influence plant performance and trait outcomes in mixtures, and assessed trait variation among populations of two forb species native to the western United States (Dieteria canescens and Heterotheca villosa) following three interaction treatments (single‐population monoculture, two‐population mixture ...
Alicia J. Foxx   +2 more
wiley   +1 more source

The Relationship Between Road Infrastructure Budgetary Expenditures and Commercial Property Investment Returns. Case Study of Fadikpe Area Minna, Nigeria

open access: yesBaltic Journal of Real Estate Economics and Construction Management, 2020
The paper examines the relationship existing between commercial property investment returns and public capital investment (budgetary expenditures) on road infrastructure in Fadikpe area, Minna (Nigeria) with the aim of determining the degree of impact of
Yakubu Suleiman   +3 more
doaj   +1 more source

Effects of chronic browsing on life‐history traits of an irruptive large herbivore population

open access: yesPopulation Ecology, EarlyView.
This study aimed to determine the relationship between diet quality, body mass, and size (hind foot length), and female reproduction and sought to identify the mechanism by which high density under severe food limitations is maintained. Our results demonstrated that sika deer introduced to Nakanoshima Island have maintained high densities through high ...
Koichi Kaji   +9 more
wiley   +1 more source

Do better schools matter? Parental valuation of elementary education

open access: yes, 1999
The evaluation of numerous school reforms requires an understanding of the value parents place on school quality. I use house prices to infer this value, where school quality is proxied by elementary school test scores.
Sandra E. Black
semanticscholar   +1 more source

Combining transient dynamics and logistic‐asymptotic growth to study the recovery of two seabird populations after rat eradication

open access: yesPopulation Ecology, EarlyView.
This study examines the demographic dynamics of two seabird populations on Tromelin Island, 15 years after the eradication of brown rats. The results indicate that these populations are in good health and are expected to continue growing until breeding sites are saturated in about a century.
Merlène Saunier   +6 more
wiley   +1 more source

Analysis of Transportation Companies in the Czech Republic by the Kohonen Networks - Identification of Industry Leaders

open access: yesCommunications, 2021
Computational models of artificial neural networks are currently used in different areas. Accuracy of results exceeds the performance of traditional statistical techniques. Artificial neural networks as the Kohonen map may be used e.g.
Jakub Horák   +2 more
doaj   +1 more source

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