Results 51 to 60 of about 16,590,157 (303)

Mathematical modeling of Echinococcus multilocularis transmission [PDF]

open access: yes, 2008
A mathematical model for the transmission cycle of Echinococcus multilocularis would be useful for estimating its prevalence, and the model simulation can be instrumental in designing various control strategies. This review focuses on the epidemiological
Ishikawa, Hirofumi
core   +1 more source

From junk to function — How weak selection in eukaryotes builds new parts and drives genomic complexity

open access: yesFEBS Letters, EarlyView.
How do genomes gain new functional parts? In eukaryotes, which tend to evolve under weak selection, much of the genome is junk. Palazzo and Qiu borrow the logic of Markov chains to show how non‐functional DNA becomes functional through the appearance of intermediate states, which arise due to epistasis, buffering, and biochemical messiness, allowing ...
Alexander F. Palazzo, Yi Qiu
wiley   +1 more source

Dynamic stability analysis of a fractional calculus-based colon cancer model with therapeutic interventions

open access: yesScientific Reports
Colon cancer is a high-risk malignant tumor worldwide. To address the limited efficacy and overlapping toxicity of current chemoimmunotherapy, this study establishes a fractional-order colon cancer model with a core architecture capturing the probiotics-
Ruilei Tai   +3 more
doaj   +1 more source

Mathematical model for knowledge testing

open access: yesLietuvos Matematikos Rinkinys, 2008
There is a mathematical model for obtaining test responses probability distribution proposed. This enables to formulate recomendations for selection of test items for different groups of tested population according to their attainment level.
Aleksandras Krylovas, Natalja Kosareva
doaj   +1 more source

Mathematical Models of Consciousness [PDF]

open access: yesEntropy, 2020
In recent years, promising mathematical models have been proposed that aim to describe conscious experience and its relation to the physical domain. Whereas the axioms and metaphysical ideas of these theories have been carefully motivated, their mathematical formalism has not. In this article, we aim to remedy this situation. We give an account of what
openaire   +5 more sources

On a mathematical model for laser-induced thermotherapy

open access: yes, 2010
We study a mathematical model for laser-induced thermotherapy, a minimally invasive cancer treatment. The model consists of a diffusion approximation of the radiation transport equation coupled to a bio-heat equation and a model to describe the evolution
Naumov, Dmitri   +5 more
core   +1 more source

Pathways and pitfalls: a qualitative study of student experiences in biomedical science education

open access: yesFEBS Open Bio, EarlyView.
Biomedical science students from underrepresented backgrounds face barriers including financial strain, disrupted laboratory access and cultural exclusion. Peer networks provide vital support when institutional systems are difficult to navigate. To create inclusive learning environments and achieve academic success, educators should blend active, hands‐
Olivia J. Russell   +8 more
wiley   +1 more source

ON A MATHEMATICAL SECURITY MODEL

open access: yesTransactions of the Karelian Research Centre of the Russian Academy of Sciences, 2016
A model of system maintenance which ensures secure operation of the system is investigated. To this end, mathematical model of a controlled semi-Markov process with catastrophes is used.
Victor Kashtanov, Ekaterina Dlinnova
doaj   +1 more source

Heterotropic regulation and negative homotropic cooperativity

open access: yesFEBS Open Bio, EarlyView.
We identified a structural module common to some proteins that couple negative cooperativity with heterotropic regulation, two features that rarely coexist. These proteins are ring‐like and present an ordered asymmetry whereby noncontacting subunits are symmetric, and their tertiary structure differs from that of contacting subunits.
Veronica Morea   +5 more
wiley   +1 more source

A mathematical model for unemployment [PDF]

open access: yes, 2011
U ovome radu prezentiramo matematički model koji opisuje problem nezaposlenosti pomoću sustava običnih diferencijalnih jednadžbi.In this paper we present a mathematical model for unemployment described by a system of ordinary differential ...
Pažanin, Igor, Aračić, Nikolina
core   +1 more source

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