Sachin Kumar and Srinivasan Natesan. Analysis of an Accurate Weak Galerkin Finite Element Method Arising in Zero-Coupon Bond Pricing. Computational Economics. (Springer, Q2, SCI, MCQ - 0.21, IF - 2.2)

Sachin Kumar and Srinivasan Natesan. Reliable Numerical Pricing of Multi--Asset European Options Using a Weak Galerkin FEM for Generalized Black-Scholes Models. Numerical Methods for Partial Differential Equations. doi.org/10.1002/num.70063 (Wiley, Q1, SCI, MCQ - 0.89, IF - 1.7)

Sachin Kumar and Srinivasan Natesan. A novel numerical scheme for Black-Scholes PDEs modeling pricing securities. Computers & Mathematics with Applications, 190:5771, 2025. doi.org/10.1016/j.camwa.2025.04.003 (Elsevier, Q1, SCI, MCQ - 1.04, IF - 2.9)

Sachin Kumar and Srinivasan Natesan. An efficient weak Galerkin finite element method for generalized Black-Scholes PDEs modeling option pricing. International Journal of  Computer Mathematics, pages 118, 2025. doi/full/10.1080/00207160.2025.2462079 (Taylor & Francis, Q2, SCI, MCQ - 0.47, IF - 1.7)