Modified Cubic B-spline Based Differential Quadrature Methods for Time-fractional Black-Scholes Equation
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866912530024103936 |
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| author | V, Nizamudheen TK, Riyasudheen Asharaf, Noufal T, Shefeeq |
| author_facet | V, Nizamudheen TK, Riyasudheen Asharaf, Noufal T, Shefeeq |
| contents | The time-fractional Black-Scholes equation (TFBSE) is intended to price the options for which the underlying price fluctuates within a correlated fractal transmission system. Although the TFBSE is an influential approach for grasping the long-term memory traits of financial markets, the non-local nature of fractional derivatives makes significant challenges in finding an accurate solution. We perform an efficient use of the differential quadrature method (DQM) based on modified cubic B-splines to solve the TFBSE governing European options. This paper constructs an algorithm by the combination of time fractional discretization using the finite difference method $L1$ and space discretization using the modified cubic B-spline-based differential quadrature method. Uniform meshes are considered for the discretization of both temporal and spatial domains. Theoretical stability has been established by finding an estimate for the maximum norm of the inverse operator regardless of the involvement of mesh parameters. We trigger the Neumann series theorem to obtain a uniform bound for the inverse operator under reasonable conditions on the mesh parameters. The numerical illustrations show that this implicit numerical method exhibits a fourth-order convergence in the space direction and the order $2-α$ in time. Moreover, we observe an enhancement in order of spatial convergence whenever $α$ tends to $0$. The results obtained are then compared with existing popular techniques to demonstrate the accuracy of modified cubic B-spline-based DQM. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_06780 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Modified Cubic B-spline Based Differential Quadrature Methods for Time-fractional Black-Scholes Equation V, Nizamudheen TK, Riyasudheen Asharaf, Noufal T, Shefeeq Numerical Analysis 65M12, 26A33, 91G60 The time-fractional Black-Scholes equation (TFBSE) is intended to price the options for which the underlying price fluctuates within a correlated fractal transmission system. Although the TFBSE is an influential approach for grasping the long-term memory traits of financial markets, the non-local nature of fractional derivatives makes significant challenges in finding an accurate solution. We perform an efficient use of the differential quadrature method (DQM) based on modified cubic B-splines to solve the TFBSE governing European options. This paper constructs an algorithm by the combination of time fractional discretization using the finite difference method $L1$ and space discretization using the modified cubic B-spline-based differential quadrature method. Uniform meshes are considered for the discretization of both temporal and spatial domains. Theoretical stability has been established by finding an estimate for the maximum norm of the inverse operator regardless of the involvement of mesh parameters. We trigger the Neumann series theorem to obtain a uniform bound for the inverse operator under reasonable conditions on the mesh parameters. The numerical illustrations show that this implicit numerical method exhibits a fourth-order convergence in the space direction and the order $2-α$ in time. Moreover, we observe an enhancement in order of spatial convergence whenever $α$ tends to $0$. The results obtained are then compared with existing popular techniques to demonstrate the accuracy of modified cubic B-spline-based DQM. |
| title | Modified Cubic B-spline Based Differential Quadrature Methods for Time-fractional Black-Scholes Equation |
| topic | Numerical Analysis 65M12, 26A33, 91G60 |
| url | https://arxiv.org/abs/2508.06780 |