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random size-structured population

Estimating the Division Kernel of a Size-Structured Population

Estimating the Division Kernel of a Size-Structured Population

... Keywords: random size-structured population, division kernel, nonparametric estima- tion, Goldenshluger-Lepski’s method, adaptive estimator, penalization, optimal ...as size have made ...

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Comparison of size‐structured and species‐level trophic networks reveals antagonistic effects of temperature on vertical trophic diversity at the population and species level

Comparison of size‐structured and species‐level trophic networks reveals antagonistic effects of temperature on vertical trophic diversity at the population and species level

... ) random effects for station, nested in basin (1|basin) + (1|basin:station) and for technique, nested in method (1|method) + (1|technique:method), to account for changes sampling scheme and spatiotemporal pseudo- ...

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On the Calibration of a Size-Structured Population Model from Experimental Data

On the Calibration of a Size-Structured Population Model from Experimental Data

... microbiological population, but we may quantify how much they deviate from a perfect division by a statistical description, as explained in the work of Koch ...critical size-at-division of individual cells ...

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Nonparametric estimation of the division rate of a size-structured population

Nonparametric estimation of the division rate of a size-structured population

... 1.2 The statistical approach In this paper, we propose to overcome the limitation of the deterministic inverse problems approach by assuming that we have n data, each data being obtained from the measure- ment of an ...

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Delaunay triangulation of a random sample of a good sample has linear size

Delaunay triangulation of a random sample of a good sample has linear size

... Definition 3. A subset Y of set X is a uniform sample of X of size k if Y is any possible subset of X of size k with equal probability. This short note proves the two following theorems: Theorem 4. Given an ...

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Smaller population size at the MRCA time for stationary branching processes

Smaller population size at the MRCA time for stationary branching processes

... Wright-Fisher population models, CB models do not exhibit stationary ...the population thrown off by an ”immortal individual” whose laws coincide with the law of a generic population Y ...

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Delaunay triangulation of a random sample of a  good sample has linear size

Delaunay triangulation of a random sample of a good sample has linear size

... randomized incremental construction of the Delaunay triangulation of an ε-net in general 51.. position takes time O(n log n) in any dimension.[r] ...

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Dynamics of concentration in a population model structured by age and a phenotypical trait

Dynamics of concentration in a population model structured by age and a phenotypical trait

... only structured in age (see [39] for a study of the linear ...as size for example (see [32, 37]) and then with more variables (representing DNA content, maturation, ...Space structured problems have ...

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Optimal location of resources maximizing the total population size in logistic models

Optimal location of resources maximizing the total population size in logistic models

... whose population density solves the steady diffusive logistic equation in a heterogeneous environment modeled with the help of a spatially non constant coefficient standing for a resources ...total ...

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Resampling: an improvement of Importance Sampling in varying population size models

Resampling: an improvement of Importance Sampling in varying population size models

... As in Rousset and Leblois (2007), Rousset and Leblois (2012) and Leblois et al. (2014) we can conduct the inference process as follow. We first define a set of parameter points through a stratified random sample ...

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Rapid measurement of the adult worker population size in honey bees

Rapid measurement of the adult worker population size in honey bees

... adult population sizes encountered in a colony, especially in relation with the time of year and beekeeping ...worker population size of colonies based on common beekeeping ...bee population ...

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Some deterministic structured population models which are limit of stochastic individual based models

Some deterministic structured population models which are limit of stochastic individual based models

... Observe that if φ is the constant flow, then (X t ) t ≥0 is an homogeneous continuous time Markov chain on G with transition kernel p(x, d x ′ ) = q(x)r(x, d x ′ ). Observe also that if the rate function q is constant ...

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Adaptive Protein Evolution in Animals and the Effective Population Size Hypothesis

Adaptive Protein Evolution in Animals and the Effective Population Size Hypothesis

... * nicolas.galtier@univ-montp2.fr Abstract The rate at which genomes adapt to environmental changes and the prevalence of adaptive processes in molecular evolution are two controversial issues in current evolutionary ...

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On the Combined Impact of Population Size and Sub-problem Selection in MOEA/D

On the Combined Impact of Population Size and Sub-problem Selection in MOEA/D

... The population is then typically structured by mapping one individual to one sub-problem targeting a different region of the objective ...the population are evolved following a coopera- tive ...

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Population variability in social brain morphology for social support, household size, and friendship satisfaction

Population variability in social brain morphology for social support, household size, and friendship satisfaction

... head size was accounted for as potential ...our population sample into male and female with or without presence of a certain social ...household size, the groups corresponded to [male lives alone], ...

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Radical Voronoï tessellation from random pack of polydisperse spheres: Prediction of the cells’ size distribution

Radical Voronoï tessellation from random pack of polydisperse spheres: Prediction of the cells’ size distribution

... • deriving the 3D histogram from 2D sections, thanks to the so-called Saltykov method [ 25 ]; • fitting a lognormal distribution on the 3D histograms. The Saltykov method (also known as Scheil-Schwartz-Saltykov method) ...

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Effective population size and heterozygosity-fitness correlations in a population of the Mediterranean lagoon ecotype of long-snouted seahorse Hippocampus guttulatus

Effective population size and heterozygosity-fitness correlations in a population of the Mediterranean lagoon ecotype of long-snouted seahorse Hippocampus guttulatus

... Effective population size and heterozygosity-fitness correlations in a population of the Mediterranean lagoon ecotype of long-snouted seahorse Hippocampus guttulatus... Population geneti[r] ...

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Alternative reproductive tactics increase effective population size and decrease inbreeding in wild Atlantic salmon

Alternative reproductive tactics increase effective population size and decrease inbreeding in wild Atlantic salmon

... maturation between mature male parr and anadromous males. Similarly, this study is also the first to quantify the con- tribution of mature male parr to reducing relatedness among parents and inbreeding in fry in ...

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A generalized population balance model for the prediction of droplet size distribution in sprays

A generalized population balance model for the prediction of droplet size distribution in sprays

... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. Access and use of [r] ...

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Age-structured cell population model to study the influence of growth factors on cell cycle dynamics.

Age-structured cell population model to study the influence of growth factors on cell cycle dynamics.

... As the experimental data were performed in vitro in a liquid medium, and as cells were kept in the medium three days before the recordings in order not to be synchronised by a “serum shock” (meaning a steep increase in ...

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