Recent research projects

Computational Finance and Economics

Deep Neural Network Framework based on Backward Stochastic Differential Equations for Pricing and Hedging American Option in High Dimensions

Low-bias Simulation Scheme for the Heston Model by Inverse Gaussian Approximation

Robust Numerical Valuation of European and American Options under the CGMY Process

Multigrid Method for Pricing European Options under the CGMY Process

Parallel Quasi-Monte Carlo Approach to Pricing American Options on Multiple Assets

Artificial Viscosity Joint Spacetime Multigrid Method for Hamilton-Jacobi-Bellman and Kolmogorov-Fokker-Planck System Arising from Mean-Field Games

Numerical Methods for Dynamic Bertrand Oligopoly and American Options under Regime Switching

Numerical Methods for Two Person Games arising from Transboundary Pollution with Emission Permit Trading

Medical Image Processing

Metal Artifacts Reduction in CT Scans using Convolutional Neural Network with Ground Truth Elimination

Image Restoration of Medical Images with Streaking Artifacts by Euler's Elastica Inpainting

Segmentation of Bright Field Cell Images

Automated Segmentation of Cellular Images using an Effective Region Force

A Multiscale Graph Cut Approach to Bright-field Multiple Cell Image Segmentation using a Bhattacharya Measure

Bright-field Cell Image Segmentation by Principal Component Pursuit with an Ncut Penalization

Numerical Method for Image Registration Model based on Optimal Mass Transport

Inviscid Model for Nonrigid Image Registration

Multigrid Methods for Solving PDEs

Artificial Viscosity Joint Spacetime Multigrid Method for Hamilton-Jacobi-Bellman and Kolmogorov-Fokker-Planck System Arising from Mean-Field Games

Multigrid methods for Convergent Mixed Finite Difference Scheme for Monge-Ampere Equation

Monotone Mixed Finite Difference Scheme for Monge-Ampere Equation

Multigrid Methods with Newton-Gauss-Seidel Smoothing and Constraint Preserving Interpolation for Solving Obstacle Problems

Multigrid Methods for Second Order Hamilton-Jacobi-Bellman and Hamilton-Jacobi-Bellman-Isaacs Equations

Multigrid Methods for Systems of Hyperbolic Conservation Laws

Multigrid for Convection-Diffusion Equations

Multigrid for Irregular Interface Problems

Computer Graphics Simulation of Natural Phenomena

Fast and Scalable Solvers for the Fluid Pressure Equations with Separating Solid Boundary Conditions

Scientific Visualization of the Dynamics of Auroral Phenomena

Simulation of Plant Leaf Growth

Rigid Body Explosions

Simulation of Tornado Dynamics