Identifying diffusion concentration and source term for anomalous diffusion equation

A Ilyas, SA Malik, K Suhaib - Reports on Mathematical Physics, 2024 - Elsevier
We consider an inverse problem for diffusion equation involving fractional Laplacian
operator in space and Hilfer fractional derivatives in time with Dirichlet zero boundary …

Direct and some inverse problems for a generalized diffusion equation with variable coefficients

A Ilyas, SA Malik - Computational and Applied Mathematics, 2024 - Springer
Direct and two inverse problems for a Legendre equation involving integral convolution in
time are studied. The inverse problems are ill-posed in the sense of Hadamard. The …

[HTML][HTML] Analyzing inverse backward problem in nonlinear integro-differential equation with memory kernel

MJ Huntul - Results in Applied Mathematics, 2024 - Elsevier
This paper focuses on the backward problem related to an integro-differential equation with
a general convolutional derivative in time and nonlinear source terms. The existence …

Identifying temperature distribution and source term for generalized diffusion equation with arbitrary memory kernel

A Ilyas, RA Khalid, SA Malik - Mathematical Methods in the …, 2024 - Wiley Online Library
A diffusion equation involving integral convolution in time variable with arbitrary kernel and
nonlocal boundary conditions is considered. The existence and uniqueness results for two …

On the solvability of direct and inverse problems for a generalized diffusion equation

A Ilyas, SA Malik, S Saif - Physica Scripta, 2023 - iopscience.iop.org
This paper delves into both direct and two inverse source problems associated with a
diffusion equation featuring integral convolution over time, while considering non-classical …

On some direct and inverse problems for an integro-differential equation

A Ilyas, Z Iqbal, SA Malik - Zeitschrift für angewandte Mathematik und …, 2024 - Springer
The direct and two inverse problems defined for an integro-differential equation on a
bounded domain have been considered. The spectral problem of the integro-differential …

[PDF][PDF] Inverse source problems for multi-parameter space-time fractional differential equations with bi-fractional Laplacian operators

MJ Huntul - AIMS Mathematics, 2024 - aimspress.com
Two inverse source problems for a space-time fractional differential equation involving
bifractional Laplacian operators in the spatial variable and Caputo time-fractional derivatives …

[PDF][PDF] On recovering the source term for the heat equation with memory term

VTT Ha, ND Phuong - trans.imm.az
In this paper, we first study the inverse source problem for the heat equation with a memory
term. This problem is non-well-posed in the sense of Hadamard. We also investigate the …