Results 31 to 40 of about 198,228 (265)

Impacto de los Servicios de Agua y Saneamiento sobre las enfermedades diarreicas em los niños de la Sierra del Perú

open access: yesRevista de Análisis Económico y Financiero, 2022
Drinking water is important for human life. Goal 6 of the SDGs indicates ensuring the availability and sustainable management of water and sanitation and good water quality for all. The lack of water resources, low water quality and inadequate sanitation
Carmen Vanessa Montero Contreras
doaj   +1 more source

Mahonian pairs

open access: yesJournal of Combinatorial Theory, Series A, 2012
Minor changes suggested by the referees and updated status of the problem of finding new Mahonian pairs; sagan@math.msu.edu and savage@ncsu ...
Bruce E. Sagan, Carla D. Savage
openaire   +3 more sources

Certificate-based cross-domain authentication scheme with anonymity

open access: yes网络与信息安全学报, 2018
Considered the cross-domain authentication of mobile devices in the Internet of things,a certificate based anonymous cross-domain authentication scheme was proposed.First,combined with the characteristics of PKI and IBS,a certificate based signature (CBS)
Yongshan DING, Lixin LI, Zuohui LI
doaj   +3 more sources

Why pair? Evidence of aggregative mating in a socially monogamous marine fish (Siganus doliatus, Siganidae) [PDF]

open access: yesRoyal Society Open Science, 2015
Many species live in stable pairs, usually to breed and raise offspring together, but this cannot be assumed. Establishing whether pairing is based on mating, or an alternative cooperative advantage, can be difficult, especially where species show no ...
Rebecca J. Fox   +2 more
doaj   +1 more source

Paired Comparisons for Paired Characteristics

open access: yesThe Annals of Mathematical Statistics, 1968
The present investigation is concerned with the proposal and study of a class of nonparametric paired comparison tests for the hypothesis of no differences among several objects with respect to a pair of characteristics.
Sen, P. K., David, H. A.
openaire   +2 more sources

Pairings for cryptographers

open access: yesDiscrete Applied Mathematics, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Steven D. Galbraith   +2 more
openaire   +2 more sources

Translational-Invariant Bipolarons and Superconductivity

open access: yesCondensed Matter, 2020
A translation-invariant (TI) bipolaron theory of superconductivity based, like Bardeen–Cooper–Schrieffer theory, on Fröhlich Hamiltonian is presented.
Victor D. Lakhno
doaj   +1 more source

MicroRNA 3′-compensatory pairing occurs through two binding modes, with affinity shaped by nucleotide identity and position

open access: yeseLife, 2022
MicroRNAs (miRNAs), in association with Argonaute (AGO) proteins, direct repression by pairing to sites within mRNAs. Compared to pairing preferences of the miRNA seed region (nucleotides 2–8), preferences of the miRNA 3′ region are poorly understood ...
Sean E McGeary   +4 more
doaj   +1 more source

Dependent pairs

open access: yesThe Journal of Symbolic Logic, 2011
AbstractWe prove that certain pairs of ordered structures are dependent. Among these structures are dense and tame pairs of o-minimal structures and further the real field with a multiplicative subgroup with the Mann property, regardless of whether it is dense or discrete.
Ayhan Günaydin, Philipp Hieronymi
openaire   +4 more sources

Identity-Based Linkable Ring Signature Scheme

open access: yesIEEE Access, 2019
A ring signature is an anonymous signature that implements both the authentication of the message and the anonymity of the signer. In a “normal” ring signature scheme, the same signer can generate multiple ring signatures, but the verifier ...
Lunzhi Deng, Yuhong Jiang, Bingqin Ning
doaj   +1 more source

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