Advances in Numerical Methods for Complex Systems

The field of numerical methods for complex systems is rapidly advancing, with a focus on developing efficient and accurate algorithms for solving high-dimensional nonlinear problems. Recent developments have centered around the creation of innovative numerical schemes, such as parallelized computation methods, iterative linearized solvers, and adaptive splitting schemes, which enable the solution of complex systems with increased speed and accuracy. Notably, the integration of machine learning techniques, such as automatic differentiation, is being explored to enhance the efficiency and robustness of numerical methods. Furthermore, researchers are investigating the application of novel numerical approaches, including generalized plane wave quasi-Trefftz spaces and radial basis function finite difference methods, to tackle challenging problems in wave propagation and dispersive wave equations. Overall, these advancements have the potential to significantly impact various fields, including engineering, physics, and computer science, by enabling the simulation and analysis of complex systems with unprecedented accuracy and efficiency.

Noteworthy papers include: The paper on the Harmonic Balance-Automatic Differentiation method, which proposes an efficient solver for general nonlinear dynamics simulation by integrating automatic differentiation with the harmonic balance framework. The paper on the Random Greedy Fast Block Kaczmarz method, which presents a novel approach for solving large-scale nonlinear systems by combining random and greedy strategies.

Sources

Parallelized computation of quasi-periodic solutions for finite element problems: A Fourier series expansion-based shooting method

Weak approximation of stochastic differential equations with sticky boundary conditions

Efficient iterative linearised solvers for numerical approximations of stochastic Stefan problems

Robust, fast, and adaptive splitting schemes for nonlinear doubly-degenerate diffusion equations

Harmonic balance-automatic differentiation method: an out-of-the-box and efficient solver for general nonlinear dynamics simulation

Finite-Time Convergence Analysis of ODE-based Generative Models for Stochastic Interpolants

Nonlinear Systems in Wireless Power Transfer Applications

Efficient Computation of Dominant Eigenvalues Using Adaptive Block Lanczos with Chebyshev Filtering

Trigonometric Interpolation Based Approach for Second Order Fredholm Integro-Differential Equations

Generalized Plane Wave quasi-Trefftz spaces for wave propagation in inhomogeneous media

Random Greedy Fast Block Kaczmarz Method for Solving Large-Scale Nonlinear Systems

A Generalized Alternating Anderson Acceleration Method

On The Eventual Periodicity of Fractional Order Dispersive Wave Equations Using RBFs and Transform

RBF-FD Method for Some Dispersive Wave Equations and Their Eventual Periodicity

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