On a Riesz-Feller space fractional backward diffusion problem with a nonlinear source. - Nguyen Huy Tuan; Dinh Nguyen Duy Hai; Le Dinh Long; Van-Tinh Nguyen; Mokhtar Kirane (J. Comput. Appl. Math., 2017)

Optimal regularization for an unknown source of space-fractional diffusion equation. - Dang Duc Trong; Dinh Nguyen Duy Hai; Nguyen Dang Minh (Appl. Math. Comput., 2019)

On a time-space fractional backward diffusion problem with inexact orders. - Dang Duc Trong; Dinh Nguyen Duy Hai; Nguyen Minh Dien (Comput. Math. Appl., 2019)

Optimal error bound and truncation regularization method for a backward time-fractional diffusion problem in Hilbert scales. - Dinh Nguyen Duy Hai; Dang Duc Trong (Appl. Math. Lett., 2020)

On Tikhonov's method and optimal error bound for inverse source problem for a time-fractional diffusion equation. - Nguyen Minh Dien; Dinh Nguyen Duy Hai; Tran Quoc Viet; Dang Duc Trong (Comput. Math. Appl., 2020)

Backward problem for time-space fractional diffusion equations in Hilbert scales. - Dang Duc Trong; Dinh Nguyen Duy Hai (Comput. Math. Appl., 2021)

The inverse source problem for a fractional diffusion-wave equation with inexact order: An asymptotically optimal strategy. - Dinh Nguyen Duy Hai (Appl. Math. Lett., 2025)

A two-parameter Tikhonov regularization for a fractional sideways problem with two interior temperature measurements. - Dang Duc Trong; Dinh Nguyen Duy Hai; Nguyen Dang Minh; Nguyen Nhu Lan (Math. Comput. Simul., 2025)