Results 101 to 110 of about 1,478,070 (231)

Modelling the Impact of Hygiene and Treatment on the Dynamics of Childhood Diarrhea in Nairobi County, Kenya

open access: yesInternational Journal of Mathematics and Mathematical Sciences
The morbidity of children under five years due to diarrhea is very prevalent in Nairobi County. Mathematical models can be used to study the dynamics of infections and suggest possible control strategies in the process.
Veronicah Nyokabi Njenga   +3 more
doaj   +1 more source

Special Issue: “Advancements in Actuarial Mathematics and Insurance Risk Management”

open access: yesRisks
Insurance has always relied on the possibility of identifying, modelling, pricing, and managing uncertainty [...]
Annamaria Olivieri
doaj   +1 more source

Mutation Accumulation Underpins Evolution of Lifespan Extension by Dietary Restriction

open access: yesAging Cell, Volume 25, Issue 11, November 2026.
Dietary restriction extends lifespan without trade‐offs between reproduction and somatic maintenance. An evolutionary model reveals that reduced fertility strengthens selection against mortality, while mutation accumulation may explain shorter lifespans under plentiful food. Experiments in Caenorhabditis elegans support this explanation.
Sara D. Irish   +4 more
wiley   +1 more source

Human Development and the Architecture of Everyday Worry: Latent Worry Profiles in the World Risk Poll

open access: yesRisk Analysis, Volume 46, Issue 11, November 2026.
ABSTRACT Whether public concern about risk rises or falls with national development has been debated for three decades, but the debate has compared countries hazard by hazard, asking how much people worry rather than how worry is organized. We provide a person‐centered analysis of everyday worry at global scale, applying latent class analysis to the ...
Giuseppe Alessandro Veltri
wiley   +1 more source

Making mathematics meaningful: Using student-initiated problems to situate mathematics [PDF]

open access: yes, 2014
Mathematics is everywhere-from the minute we open our eyes to check the alarm clock and calculate how many minutes extra we can afford to lie in bed, to measuring out our cereal for breakfast and estimating if we have enough petrol to make the 18 ...
Brough, Chris Jane, Calder, Nigel Stuart
core  

Bivariate variable ranking for censored time‐to‐event data via Copula link based additive models

open access: yesStatistica Neerlandica, Volume 80, Issue 4, November 2026.
Abstract In this article, we present a variable ranking approach based on a novel measure for selecting important variables in bivariate Copula Link‐Based Additive Models [30]. The proposal allows for identifying two sets of relevant covariates for the two time‐to‐events without neglecting the dependency structure that may exist between the two ...
Danilo Petti   +2 more
wiley   +1 more source

The Wright Message, 2010 [PDF]

open access: yes, 2010
Inside this issue: -- Dear Department Alumni and Friends-- 2010 - 2011 Tenure-Stream Faculty-- Spotlight on Undergraduates-- Projects and Grants-- Secondary Mathematics Education Programs-- UNI I-Teach-- Crane Scholarship-- Actuarial Science and the ...
University of Northern Iowa. Department of Mathematics.
core   +1 more source

HPV Testing Versus Cytology for Cervical Cancer Screening Among Women 50 Years and Older: Evidence From the HPV FOCAL Randomized Controlled Trial

open access: yesInternational Journal of Cancer, Volume 159, Issue 8, Page 2066-2074, 15 October 2026.
ABSTRACT Evidence on the comparative effectiveness of HPV testing versus cytology specifically in women aged ≥ 50 years who are approaching screening cessation remains limited. This analysis included 6471 women aged ≥ 50 at baseline screening in the HPV FOCAL randomized clinical trial. Women were randomly allocated to receive cytology (Control Group, n 
Md Saiful Alam   +12 more
wiley   +1 more source

CONTEMPORARY CHALLENGES AND PERSPECTIVES IN ACTUARIAL MATHEMATICS

open access: yes, 2023
У тезах розглянуто актуарну математику як ключову галузь управління ризиками в страхуванні. Сталі зміни у кліматі, фінансові кризи, пандемії - виклики, які вимагають точного аналізу та стратегічних рішень.
Остапенко, Л.   +1 more
core  

Prevalence and Determinants of Caesarean Section Deliveries in Ghana: A Population-Based Cross-sectional Study

open access: yesPublic Health in Practice
Objectives: This study examines the prevalence and determinants of CS deliveries in Ghana, with a focus on institutional, health-related, and contextual factors.
Christiana Lokko   +2 more
doaj   +1 more source

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