Machine learning of space-fractional differential equations

M Gulian, M Raissi, P Perdikaris, G Karniadakis - SIAM Journal on Scientific …, 2019 - SIAM
Data-driven discovery of “hidden physics''---ie, machine learning of differential equation
models underlying observed data---has recently been approached by embedding the …

A unified approach to Bermudan and barrier options under stochastic volatility models with jumps

JL Kirkby, D Nguyen, Z Cui - Journal of Economic Dynamics and Control, 2017 - Elsevier
Many financial assets, such as currencies, commodities, and equity stocks, exhibit both
jumps and stochastic volatility, which are especially prominent in the market after the …

American and exotic option pricing with jump diffusions and other Levy processes

J Lars Kirkby - Journal of Computational Finance, 2018 - papers.ssrn.com
In general, no analytical formulas exist for pricing discretely monitored exotic options, even
when a geometric Brownian motion governs the risk-neutral underlying. While specialized …

Optimal stopping and early exercise: an eigenfunction expansion approach

L Li, V Linetsky - Operations Research, 2013 - pubsonline.informs.org
This paper proposes a new approach to solve finite-horizon optimal stopping problems for a
class of Markov processes that includes one-dimensional diffusions, birth–death processes …

A general continuous time Markov chain approximation for multi-asset option pricing with systems of correlated diffusions

JL Kirkby, DH Nguyen, D Nguyen - Applied Mathematics and Computation, 2020 - Elsevier
Abstract Continuous time Markov Chain (CTMC) approximation techniques have received
increasing attention in the option pricing literature, due to their ability to solve complex …

[HTML][HTML] Robust option pricing with characteristic functions and the B-spline order of density projection

JL Kirkby - Journal of Computational Finance, 2017 - risk.net
This paper extends and refines the method of option pricing by frame projection of
riskneutral densities to incorporate general basis splines (B-splines), including the cubic …

Computable error bounds of Laplace inversion for pricing Asian options

Y Song, N Cai, S Kou - INFORMS Journal on Computing, 2018 - pubsonline.informs.org
The prices of Asian options, which are among the most important options in financial
engineering, can often be written in terms of Laplace transforms. However, computable error …

Pricing barrier and Bermudan style options under time-changed Lévy processes: fast Hilbert transform approach

P Zeng, YK Kwok - SIAM Journal on Scientific Computing, 2014 - SIAM
We construct efficient and accurate numerical algorithms for pricing discretely monitored
barrier and Bermudan style options under time-changed Lévy processes by applying the fast …

Additive subordination and its applications in finance

J Li, L Li, R Mendoza-Arriaga - Finance and Stochastics, 2016 - Springer
This paper studies additive subordination, which we show is a useful technique for
constructing time-inhomogeneous Markov processes with analytical tractability. This …

A high order finite difference method for tempered fractional diffusion equations with applications to the CGMY model

X Guo, Y Li, H Wang - SIAM Journal on Scientific Computing, 2018 - SIAM
Using the weighted and shifted Lubich difference (WSLD) operator, we propose an efficient
and stable difference scheme for solving space tempered fractional diffusion equations. The …