Parameter estimation in an SPDE model for cell repolarization

R Altmeyer, T Bretschneider, J Janák, M Reiß - SIAM/ASA Journal on …, 2022 - SIAM
As a concrete setting where stochastic partial differential equations (SPDEs) are able to
model real phenomena, we propose a stochastic Meinhardt model for cell repolarization and …

Parameter estimation for SPDEs based on discrete observations in time and space

F Hildebrandt, M Trabs - 2021 - projecteuclid.org
Parameter estimation for a parabolic linear stochastic partial differential equation in one
space dimension is studied observing the solution field on a discrete grid in a fixed bounded …

Optimal parameter estimation for linear SPDEs from multiple measurements

R Altmeyer, A Tiepner, M Wahl - The Annals of Statistics, 2024 - projecteuclid.org
Optimal parameter estimation for linear SPDEs from multiple measurements Page 1 The Annals of
Statistics 2024, Vol. 52, No. 4, 1307–1333 https://doi.org/10.1214/24-AOS2364 © Institute of …

Estimation for the reaction term in semi-linear SPDEs under small diffusivity

S Gaudlitz, M Reiß - Bernoulli, 2023 - projecteuclid.org
Estimation for the reaction term in semi-linear SPDEs under small diffusivity Page 1 Bernoulli
29(4), 2023, 3033–3058 https://doi.org/10.3150/22-BEJ1573 Estimation for the reaction term in …

Nonparametric calibration for stochastic reaction–diffusion equations based on discrete observations

F Hildebrandt, M Trabs - Stochastic Processes and their Applications, 2023 - Elsevier
Nonparametric estimation for semilinear SPDEs, namely stochastic reaction–diffusion
equations in one space dimension, is studied. We consider observations of the solution field …

Diffusivity estimation for activator–inhibitor models: Theory and application to intracellular dynamics of the actin cytoskeleton

G Pasemann, S Flemming, S Alonso, C Beta… - Journal of nonlinear …, 2021 - Springer
A theory for diffusivity estimation for spatially extended activator–inhibitor dynamics
modeling the evolution of intracellular signaling networks is developed in the mathematical …

Nonparametric velocity estimation in stochastic convection-diffusion equations from multiple local measurements

C Strauch, A Tiepner - arXiv preprint arXiv:2402.08353, 2024 - arxiv.org
We investigate pointwise estimation of the function-valued velocity field of a second-order
linear SPDE. Based on multiple spatially localised measurements, we construct a weighted …

Non-parametric estimation of the reaction term in semi-linear SPDEs with spatial ergodicity

S Gaudlitz - arXiv preprint arXiv:2307.05457, 2023 - arxiv.org
The non-parametric estimation of a non-linear reaction term in a semi-linear parabolic
stochastic partial differential equation (SPDE) is discussed. The estimation error can be …

Stochastic Reaction-Diffusion Systems in Biophysics: Towards a Toolbox for Quantitative Model Evaluation

G Pasemann, C Beta, W Stannat - arXiv preprint arXiv:2307.06655, 2023 - arxiv.org
We develop a statistical toolbox for a quantitative model evaluation of stochastic reaction-
diffusion systems modeling space-time evolution of biophysical quantities on the …

[HTML][HTML] Parameter estimation for the stochastic heat equation with multiplicative noise from local measurements

J Janák, M Reiß - Stochastic Processes and their Applications, 2024 - Elsevier
For the stochastic heat equation with multiplicative noise we consider the problem of
estimating the diffusivity parameter in front of the Laplace operator. Based on local …