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20192026
most citedDetermination of the order of fractional derivative for subdiffusion equation

41 citations · 42 across the 41 of their papers we have counts for

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8 papers · 1 filter

math.AP2025

Inverse problem of determining a time-dependent coefficient in the time-fractional subdiffusion equation

Ravshan Ashurov, Elbek Husanov

This paper explores the forward and inverse problems for a fractional subdiffusion equation characterized by time-dependent diffusion and reaction coefficients. Initially, the forw…

math.AP2025

Coefficient Identification Problem with Integral Overdetermination Condition for Diffusion Equations

R. R. Ashurov, O. T. Mukhiddinova

In this paper, we investigate a nonlinear inverse problem aimed at recovering a coefficient , dependent on both time and a subset of spatial variables, in a diffusion equa…

math.AP2025

Forward and inverse problems for a mixed-type equation with the Caputo fractional derivative and Dezin-type non-local condition

Ravshan Ashurov, Umida Dusanova, Navbahor Nuraliyeva

This work is dedicated to the study of a mixed-type partial differential equation involving a Caputo fractional derivative in the time domain and a classical parabolic equa…

math.AP2025

A Nonlinear Nonlocal Problem for the Caputo Fractional Subdiffusion Equation

Ravshan Ashurov, Rajapboy Saparboyev, Navbahor Nuraliyeva

In this paper, we study a time-fractional subdiffusion equation with a nonlinear nonlocal initial condition involving the unknown solution at the final time. The considered problem…

math.AP2025

Source Identification Problem for a Nonlinear Subdiffusion Equation

R. R. Ashurov, O. T. Mukhiddinova

The work is devoted to the study of the inverse problem of determining the right-hand side of a nonlinear subdiffusion equation with a Caputo derivative with respect to time. Nonli…

math.AP2025

Space- and Time-Dependent Source Identification Problem with Integral Overdetermination Condition

R. R. Ashurov, O. T. Mukhiddinova

This paper is devoted to the study of the inverse problem of determining the right-hand side of the subdiffusion equation with the Caputo derivative with respect to time. In our ca…

math.AP2025

Space-Time-Dependent Source Identification Problem for a Subdiffusion Equation

R. R. Ashurov, O. T. Mukhiddinova

In this paper, we investigate the inverse problem of determining the right-hand side of a subdiffusion equation with a Caputo time derivative, where the right-hand side depends on…

math.AP2025

Monotonicity in the parameter of the Mittag-Leffler function and determining the fractional exponent of the subdiffusion equation

Ravshan Ashurov, Ilyoskhuja Sulaymonov

In this paper, we prove the strict monotonicity in the parameter of the Mittag-Leffler functions and . Then, these results are applied to solv…