Results 21 to 30 of about 17,794,585 (208)

Analyzing the future of housing provision in a high-demographic growth region [PDF]

open access: yesE3S Web of Conferences, 2023
This scientific article aims to determine the level of security of Kyrgyzstan citizens with regard to housing until 2030. The study takes into account the historical period from 1990 to present, analyzing the development of the housing stock and ...
Assylbayev Aidar   +4 more
doaj   +1 more source

Shifts in interregional proportions in population settlement over the territory of Russia in 2002–2017 [PDF]

open access: yesНаселение и экономика, 2019
The article deals with the trends of population size changes in the regions of the Russian Federation between 2002 and 2017 on the basis of data of all-Russian population censuses and current statistics.
Pavel L. Kirillov, Alla G. Makhrova
doaj   +3 more sources

Compartor: a toolbox for the automatic generation of moment equations for dynamic compartment populations [PDF]

open access: yesBioinformatics, 2021
Abstract Summary Many biochemical processes in living organisms take place inside compartments that can interact with each other and remodel over time. In a recent work, we have shown how the stochastic dynamics of a compartmentalized biochemical system can be effectively studied using moment ...
Tobias Pietzsch   +2 more
openaire   +5 more sources

Positive global solutions for a general model of size-dependent population dynamics

open access: yesAbstract and Applied Analysis, 2000
We study size-structured population models of general type which have the growth rate depending on the size and time. The local existence and uniqueness of the solution have been shown by Kato and Torikata (1997).
Nobuyuki Kato
doaj   +1 more source

Ecological theory of mutualism: Robust patterns of stability and thresholds in two‐species population models

open access: yesEcology and Evolution, 2021
Mutualisms are ubiquitous in nature, provide important ecosystem services, and involve many species of interest for conservation. Theoretical progress on the population dynamics of mutualistic interactions, however, comparatively lagged behind that of ...
Kayla R. S. Hale, Fernanda S. Valdovinos
doaj   +1 more source

Learnt dynamics generalizes across tasks, datasets, and populations

open access: yesCoRR, 2019
Differentiating multivariate dynamic signals is a difficult learning problem as the feature space may be large yet often only a few training examples are available. Traditional approaches to this problem either proceed from handcrafted features or require large datasets to combat the m >> n problem.
Usman Mahmood   +5 more
openaire   +2 more sources

Mapping Population Dynamics at Local Scales Using Spatial Networks

open access: yesComplexity, 2021
Nowadays, around half of the global population lives in urban areas. This rate is expected to increase up to two-thirds by the year 2050. Most studies analyze urban dynamics in wide geographic ranges, focusing mainly on cities.
José Balsa-Barreiro   +2 more
doaj   +1 more source

Competitive Lotka–Volterra population dynamics with jumps [PDF]

open access: yes, 2011
This paper considers competitive Lotka–Volterra population dynamics with jumps. The contributions of this paper are as follows. (a) We show that a stochastic differential equation (SDE) with jumps associated with the model has a unique global positive ...
Yuan, Chenggui   +8 more
core   +4 more sources

Detection of Mental Fatigue in the General Population: Feasibility Study of Keystroke Dynamics as a Real-world Biomarker

open access: yesJMIR Biomedical Engineering, 2022
BackgroundMental fatigue is a common and potentially debilitating state that can affect individuals’ health and quality of life.
Alejandro Acien   +5 more
doaj   +1 more source

Construction of Reducible Stochastic Differential Equation Systems for Tree Height–Diameter Connections

open access: yesMathematics, 2020
This study proposes a general bivariate stochastic differential equation model of population growth which includes random forces governing the dynamics of the bivariate distribution of size variables.
Martynas Narmontas   +2 more
doaj   +1 more source

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