2 papers
math.AP2025
A Source Identification Problem for the Bi-Parabolic Equation Containing a Poly-harmonic Operator
Dang Duc Trong, Bui Thanh Duy, Nguyen Dang Minh
In this paper, we address the source identification problem for the bi-parabolic equation involving a operator. Specifically, we investigate the equation $(\partial_t +\frak A)^2u(…
math.AP2016
A Two Dimensional Backward Heat Problem With Statistical Discrete Data
Nguyen Dang Minh, To Duc Khanh, Nguyen Huy Tuan +1
In this paper, we focus on the backward heat problem of finding the function such that \[ {l l l} u_t - a(t)(u_{xx} + u_{yy}) & = f(x,y,t), & \qquad (x,y,t) \in Ω…