Company Rossi, Rafael; Egorova, Vera N.; Jódar Sánchez, Lucas Antonio(Elsevier, 2021-11)
[EN] American options prices under jump-diffusion models are determined by a free boundary partial integro-differential equation (PIDE) problem. In this paper, we propose a front-fixing exponential time differencing (FF-ETD) ...
Company Rossi, Rafael; Egorova, Vera N.; Jódar Sánchez, Lucas Antonio; Peris, Jorge(John Wiley & Sons, 2022-04)
[EN] A new efficient numerical method is proposed for valuation of American option on zero-coupon bond using Hull and White model. By applying the front-fixing transformation suggested by Holmes and Yang, the original free ...
Company Rossi, Rafael; Egorova, Vera; Jódar Sánchez, Lucas Antonio; Soleymani, Fazlollah(Vilnius Gediminas Technical University, 2018)
[EN] In this work, we apply the local Wendland radial basis function (RBF) for solving the time-dependent multi dimensional option pricing nonlinear PDEs.
Firstly, cross derivative terms of the PDE are removed with a ...
Company Rossi, Rafael; Egorova, Vera; Jódar Sánchez, Lucas Antonio; Soleymani, Fazlollah(Elsevier, 2016-10)
The challenge of removing the mixed derivative terms of a second order multidimensional
partial differential equation is addressed in this paper. The proposed
method, which is based on proper algebraic factorization of ...
Egorova, Vera; Company Rossi, Rafael; Jódar Sánchez, Lucas Antonio(Elsevier, 2016-01)
[EN] A system of coupled free boundary problems describing American put option pricing under regime switching is considered. In order to build numerical solution firstly a front-fixing transformation is applied. Transformed ...
Company Rossi, Rafael; Egorova, Vera N.; Jódar Sánchez, Lucas Antonio; Soleymani, Fazlollah(John Wiley & Sons, 2019-05)
[EN] We propose a local mesh-free method for the Bates¿Scott
option pricing model, a 2D partial integro-differential
equation (PIDE) arising in computational finance. A Wendland
radial basis function (RBF) approach is used ...
Company Rossi, Rafael; Egorova, Vera; Jódar Sánchez, Lucas Antonio(Hindawi Publishing Corporation, 2016)
[EN] This paper deals with numerical analysis and computing of spread option pricing problem described by a two-spatial variables
partial differential equation. Both European and American cases are treated. Taking advantage ...
Company Rossi, Rafael; Egorova, Vera N.; Jódar Sánchez, Lucas Antonio; Fuster Valls, Ferran(TECH SCIENCE PRESS, 4924 BALBOA BLVD, # 488, ENCINO, USA, CA, 91316, 2020)
[EN] A numerical method for American options pricing on assets under the Heston stochastic volatility model is developed. A preliminary transformation is applied to remove the mixed derivative term avoiding known numerical ...
Company Rossi, Rafael; Egorova, Vera; Jódar Sánchez, Lucas Antonio; Vázquez, C.(Elsevier, 2016-08)
[EN] American put option pricing under regime switching is modelled by a system of coupled
partial differential equations. The proposed model combines better the reality of the market
by incorporating the regime switching ...
Company Rossi, Rafael; Egorova, Vera; Jódar Sánchez, Lucas Antonio(Elsevier, 2018)
[EN] The matter of the stability for multidimensional diffusion-advection-reaction problems treated with the semi-discretization method is remaining challenge because when all the stepsizes tend simultaneously to zero the ...
Company Rossi, Rafael; Egorova, Vera; Jódar Sánchez, Lucas Antonio(Elsevier, 2016-01)
[EN] A new front-fixing transformation is applied to the Black Scholes equation for the American call option pricing problem. The transformed non-linear problem involves homogeneous boundary conditions independent of the ...
Egorova, Vera; Jódar Sánchez, Lucas Antonio; Company Rossi, Rafael(European Consortium for Mathematics in Industry, 2014-10)
Vera Egorova started her position in ITN
Strike as Early-Stage-Researcher (ESR4) on
September 1, 2013. The work is under the supervision
of Prof. Lucas Jódar and Prof. Rafael Company.
This Project is focused on numerical ...
Egorova, Vera(Universitat Politècnica de València, 2016-09-01)
[EN] The present PhD thesis is focused on numerical analysis and computing of finite difference schemes for several relevant option pricing models that generalize the Black-Scholes model. A careful analysis of desirable ...
Company Rossi, Rafael; Egorova, Vera; Jódar Sánchez, Lucas Antonio; Vázquez, Carlos(Elsevier, 2016-10)
[EN] In this paper finite difference methods for pricing American option with rationality parameter are proposed. The irrational exercise policy arising in American options is characterized in terms of a rationality ...
Casabán Bartual, Mª Consuelo; Company Rossi, Rafael; Egorova, Vera N.; Jódar Sánchez, Lucas Antonio(John Wiley & Sons, 2020-09-30)
[EN] Random coupled parabolic partial differential models are solved numerically using random cosine Fourier transform together with non-Gaussian random numerical integration that captures the highly oscillatory behaviour ...
Egorova, Vera; Tan, Shih-Hau; Lai, Choi-Hong; Company Rossi, Rafael; Jódar Sánchez, Lucas Antonio(Taylor & Francis, 2017)
[EN] The pricing of American call option with transaction cost is a free boundary
problem. Using a new transformation method the boundary is made to
follow a certain known trajectory in time. The new transformed problem
is ...
El-Fakharany, Mohamed; Egorova, Vera; Company Rossi, Rafael(Elsevier, 2018)
[EN] In this work a finite difference approach together with a bivariate Gauss¿Hermite
quadrature technique is developed for partial-integro differential equations related to
option pricing problems on two underlying ...
Company Rossi, Rafael; Egorova, Vera N.; Jódar Sánchez, Lucas Antonio(MDPI AG, 2021-01)
[EN] In this paper, we consider random hyperbolic partial differential equation (PDE) problems following the mean square approach and Laplace transform technique. Randomness requires not only the computation of the ...
Company Rossi, Rafael; Egorova, Vera; Jódar Sánchez, Lucas Antonio(Hindawi Publishing Corporation, 2014-04)
[EN] This paper presents an explicit finite-difference method for nonlinear partial differential equation appearing as a transformed Black-Scholes equation for American put option under logarithmic front fixing transformation. ...