-
881
A higher-order numerical framework for stochastic simulation of chemical reaction systems
Published 2012“…As in the case of ordinary and stochastic differential equations, extrapolation can be repeated to obtain even higher-order approximations.…”
Journal article -
882
Numerical methods for foreign exchange option pricing under hybrid stochastic and local volatility models
Published 2017“…We analyze exponential integrability properties of Euler discretizations for the square-root process driving the stochastic volatility and the short rates, properties which play a key role in establishing the finiteness of moments and the strong convergence of numerical approximations for a large class of stochastic differential equations in finance, including the ones studied in this thesis. …”
Thesis -
883
Discrete and continuum approximations for collective cell migration in a scratch assay with cell size dynamics
Published 2018“…Our agent-based stochastic model takes the form of a system of Langevin equations that is the system of stochastic differential equations governing the evolution of the population of agents. …”
Journal article -
884
Performance of 5-stage, 4-stage and specific stochastic Runge-Kutta methods in approximating the solution of stochastic biological model
Published 2021“…In recent years, the transition on modelling physical systems via stochastic differential equations (SDEs) has attracted great interest among researchers. …”
Get full text
Conference or Workshop Item -
885
Artificial Intelligence and Mathematical Models of Power Grids Driven by Renewable Energy Sources: A Survey
Published 2023-07-01“…These models can be classified as AI- or mathematically inspired models and include dynamical systems, Bayesian inference, stochastic differential equations, machine learning methods, deep learning, reinforcement learning, and reservoir computing. …”
Get full text
Article -
886
Precision in disease dynamics: Finite difference solutions for stochastic epidemics with treatment cure and partial immunity
Published 2024-03-01“…The scheme can be considered as the extension of the Euler Maruyama scheme for solving stochastic differential equations. The Euler Maruyama scheme offers a first-order accuracy of the deterministic model. …”
Get full text
Article -
887
A Probabilistic Physico-Chemical Diffusion Model of the Key Drifting Parameter of Measuring Equipment
Published 2024-01-01“…The need for a probabilistic formulation of the problem is argued, since classical statistical methods are not applicable due to the lack of statistical data. (3) Statement of the research problem: A probabilistic formulation of the problem is given taking into account the physical and chemical laws of aging and degradation. (4) Methods: The author uses methods of probability theory and mathematical statistics, methods for solving the stochastic differential equations, the methods of mathematical modeling, the methods of chemical kinetics and the methods for solving a partial differential equations. (5) Results: A mathematical model of a drifting key parameter of measuring equipment is developed. …”
Get full text
Article -
888
Simultaneous Measurements of Noncommuting Observables: Positive Transformations and Instrumental Lie Groups
Published 2023-08-01“…This diffusion can be analyzed using Wiener path integration, stochastic differential equations, or a Fokker-Planck-Kolmogorov equation. …”
Get full text
Article -
889
Synthetic neuronal datasets for benchmarking directed functional connectivity metrics
Published 2015-05-01“…The generative models covered here are AR processes, neural mass models consisting of linear and nonlinear stochastic differential equations and populations with thousands of spiking units. …”
Get full text
Article -
890
Stratifications and foliations in phase portraits of gene network models
Published 2023-01-01“…Description of the phase portraits of these systems at the level of their stratifications, and that of ensembles of trajectories allows one to construct more realistic gene network models on the basis of methods of statistical physics and the theory of stochastic differential equations.…”
Get full text
Article -
891
Theory of spike-train power spectra for multidimensional integrate-and-fire neurons
Published 2019-09-01“…Most popular is a version with Gaussian noise and adaptation currents that can be described via Markovian embedding by a set of d+1 stochastic differential equations corresponding to a Fokker-Planck equation (FPE) for one voltage and d auxiliary variables. …”
Get full text
Article -
892
A mixed-effects stochastic model reveals clonal dominance in gene therapy safety studies
Published 2023-06-01“…Thus, clonal tracking data can be used to calibrate the stochastic differential equations describing clonal population dynamics and hierarchical relationships in vivo. …”
Get full text
Article -
893
Improving representation learning on graph-structural data for classification, generation, and recommendation
Published 2024“…GSDM utilizes low-rank diffusion Stochastic Differential Equations in graph spectrum space, enhancing graph topology generation and reducing computational load. …”
Get full text
Thesis-Doctor of Philosophy -
894
Contributions to the numerics of quadratic backward SDEs and probability on turbulence
Published 2021“…<p>In this thesis, we first study the numerical scheme of path-dependent quadratic backward stochastic differential equations (quadratic BSDE or QBSDE for short). …”
Thesis -
895
The computation of Greeks with multilevel Monte Carlo
Published 2014“…</p> <p>We present several important results on the moments of the solutions of stochastic differential equations and their discretisations as well as the principles of the so-called “extreme path analysis”. …”
Thesis -
896
An Edgeworth Expansion for the Ratio of Two Functionals of Gaussian Fields and Optimal Berry–Esseen Bounds
Published 2021-09-01“…This form very frequently appears in the estimation problem of parameters occurring in Stochastic Differential Equations (SDEs) and Stochastic Partial Differential Equations (SPDEs). …”
Get full text
Article -
897
Efficient Sampling Methods of, by, and for Stochastic Dynamical Systems
Published 2022“…This thesis presents new methodologies that lie at the intersection of computational statistics and computational dynamics. Stochastic differential equations (SDEs) are used to model a variety of physical systems, and computing expectations over marginal distributions of SDEs is important for the analysis of such systems. …”
Get full text
Get full text
Thesis -
898
Sequence-to-sequence learning for motion prediction and generation
Published 2022“…Finally, we reconsider motion prediction within the framework of stochastic differential equations, which allows for interpretation of model weights as the stochastic diffusion matrix and drift parameters. …”
Get full text
Thesis-Doctor of Philosophy -
899
Mathematical modelling approaches to understanding the spread of Campylobacter in broiler flocks
Published 2021“…Firstly, I present a mechanistic model system of stochastic differential equations to demonstrate the population dynamics of multiple strains of Campylobacter at both in-host and flock level. …”
Thesis -
900
Stochastic models of ion channel dynamics and their role in short-term repolarisation variability in cardiac cells
Published 2012“…Two different models of stochastic ion channel behaviour, both based on a system of stochastic differential equations (SDEs), are developed and compared. …”
Thesis