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521
Dynamics of single-domain magnetic particles at elevated temperatures
Published 2015-01-01“…A stochastic differential equation that describes the dynamics of single-domain magnetic particles at any temperature is derived using a classical formalism. …”
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522
Bautin bifurcation with additive noise
Published 2022-10-01“…In this paper, we consider stochastic dynamics of a two-dimensional stochastic differential equation with additive noise. When the strength of the noise is zero, this equation undergoes a Bautin bifurcation. …”
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523
Numerical Solution of an Interval-Based Uncertain SIR (Susceptible–Infected–Recovered) Epidemic Model by Homotopy Analysis Method
Published 2021-06-01“…Furthermore, the SIR ODE model was transformed into a stochastic differential equation (SDE) model and the results of the stochastic and deterministic models were compared using numerical simulations. …”
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524
Approximating Correlation Matrices Using Stochastic Lie Group Methods
Published 2021-01-01“…Based on isospectral flows we create valid time-dependent correlation matrices, so called correlation flows, by solving a stochastic differential equation (SDE) that evolves in the special orthogonal group. …”
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525
A study of stochastic epidemic model driven by liouville fractional brownian motion coupled with seasonal air pollution
Published 2024-01-01“…Since there are many uncertain factors in the environment, stochastic differential equation model is a powerful tool to study the changes of air pollution and the transmission of infectious diseases. …”
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526
On the uniqueness of solutions to quadratic BSDEs with non-convex generators and unbounded terminal conditions
Published 2020-06-01“…We prove a uniqueness result of the unbounded solution for a quadratic backward stochastic differential equation whose terminal condition is unbounded and whose generator $g$ may be non-Lipschitz continuous in the state variable $y$ and non-convex (non-concave) in the state variable $z$, and instead satisfies a strictly quadratic condition and an additional assumption. …”
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527
STOCHASTIC BIFURCATION OF A CURRENT CARRYING THIN RECTANGULAR PLATE IN A MAGNETIC FIELD
Published 2016-01-01“…Then the equation was equivalent to be a one-dimensional It stochastic differential equation by applying the stochastic average theory of a quasi non-integrable Hamilton system. …”
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528
Rough path limits of the Wong–Zakai type with a modified drift term
Published 2009“…The Wong-Zakai theorem asserts that ODEs driven by "reasonable" (e.g. piecewise linear) approximations of Brownian motion converge to the corresponding Stratonovich stochastic differential equation. With the aid of rough path analysis, we study "non-reasonable" approximations and go beyond a well-known criterion of [Ikeda, Watanabe, North Holland, 1989] in the sense that our result applies to perturbations on all levels, exhibiting additional drift terms involving any iterated Lie brackets of the driving vector fields. …”
Journal article -
529
Integral representation of martingales motivated by the problem of endogenous completeness in financial economics
Published 2013“…Let Q and P be equivalent probability measures and let ψ be a J-dimensional vector of random variables such that dQ/dP and ψ are defined in terms of a weak solution X to a d-dimensional stochastic differential equation. Motivated by the problem of endogenous completeness in financial economics we present conditions which guarantee that every local martingale under Q is a stochastic integral with respect to the J-dimensional martingale Stδ EQ[ψ|Ft]. …”
Journal article -
530
COMPENSATION OF THE DOPPLER SHIFT OF THE RADIO ALTIMETER ON A HIGH-SPEED CARRIER
Published 2022-12-01“…Obtained filtering algorithm was verified with altimeter simulation model included stochastic differential equation of the dynamic tracking loop. …”
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531
Optimal control analysis of deterministic and stochastic epidemic model with media awareness programs
Published 2018-11-01“…The present study considered the optimal control analysis of both deterministic differential equation modeling and stochastic differential equation modeling of infectious disease by taking effects of media awareness programs and treatment of infectives on the epidemic into account. …”
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532
Deterministic and Stochastic Prey–Predator Model for Three Predators and a Single Prey
Published 2022-03-01“…The exponential–mean–squared stability of the resulting stochastic differential equation model was examined, and it was found to be dependent on the harvesting effort. …”
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533
Pricing of vulnerable options based on an uncertain CIR interest rate model
Published 2023-03-01“…The traditional Cox-Ingersoll-Ross (CIR) interest rate model follows a stochastic differential equation that cannot obtain the closed solution while the uncertain CIR interest rate model is an uncertain differential equation. …”
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534
Sensitivity Analysis of Optimal Commodity Decision Making with Neural Networks: A Case for COVID-19
Published 2023-02-01“…The method uses an artificial neural network (ANN) to approximate the optimal value function for a general stochastic differential equation and calculate the partial derivatives of the value function with respect to various parameters of both the diffusion process and the payoff function. …”
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535
Pseudo-spectral optimal control of stochastic processes using Fokker Planck equation
Published 2019-01-01“…Motivated by the successful implementation of Pseudo-spectral (PS) methods in optimal control problems (OCP), a new technique is introduced to control the probability density function (PDF) of the state of the 1-D system described by a stochastic differential equation (SDE). In this paper, the Fokker Planck equation (FPE) is used to model the time evolution of the PDF of the stochastic process. …”
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536
Research on Enterprise Investment Decision Based on Linear Quadratic Jump Uncertainty Stochastic Differential Game
Published 2024-01-01“…The system is described by both a jump uncertain differential equation and a stochastic differential equation. The principle of optimality and equation of optimality are established. …”
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537
SHORT TIME FULL ASYMPTOTIC EXPANSION OF HYPOELLIPTIC HEAT KERNEL AT THE CUT LOCUS
Published 2017-01-01“…Our approach is probabilistic and the heat kernel is regarded as the density of the law of a hypoelliptic diffusion process, which is realized as a unique solution of the corresponding stochastic differential equation. Our main tools are S. Watanabe’s distributional Malliavin calculus and T. …”
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538
Backward Deep BSDE Methods and Applications to Nonlinear Problems
Published 2023-03-01“…We present a pathwise deep Backward Stochastic Differential Equation (BSDE) method for Forward Backward Stochastic Differential Equations with terminal conditions that time-steps the BSDE backwards and apply it to the differential rates problem as a prototypical nonlinear problem of independent financial interest. …”
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539
Calibrating FBSDEs Driven Models in Finance via NNs
Published 2022-11-01“…In particular, we consider solving the Black–Scholes–Barenblatt non-linear stochastic differential equation via a forward-backward neural network, also calibrating the related stochastic volatility model when dealing with European options. …”
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540
Optimal mean-variance reinsurance and investment strategy with constraints in a non-Markovian regime-switching model
Published 2020-07-01“…With the help of a backward stochastic differential equation driven by the Markov chain, we obtain the optimal strategy and optimal cost explicitly under this non-Markovian regime-switching model. …”
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