​​
​​​Prof. Dr. De-Han Chen 
University of Duisburg-Essen
Thea-Leymann-Straße 9
D-45127 Essen
Email: dehan.chen@uni-due.de

Research interests:   Regularization theory,  Inverse problems in  PDEs, Evolution Equations

Academic Records

Studies

Selected Publication

[13] De-Han Chen, Daijun Jiang, Irwin Yousep, Jun Zou, Variational source conditions for inverse Robin and flux problems by partial measurements, Inverse Problems and Imagining, 16 (2022), 283-304.

[12] De-Han Chen and Irwin Yousept , Variational source conditions in Lp-spaces, SIAM Journal on Mathematical Analysis, 53 (2021), 2863-2889.

[11] De-Han Chen, Daijun Jiang, Convergence rates of Tikhonov regularization for recovering growth rates in a Lotka-Volterra competition model with diffusion, Inverse Problems and Imagining, 15(2021),951-974.

[10] De-Han Chen, Bernd Hofmann and Irwin Yousept , Oversmoothing Tikhonov regularization in Banach spaces,  Inverse Problems,  37 (2021),  08 5007. 

[9] De-Han Chen , Daijun Jiang, and Jun Zou , Convergence rates of Tikhonov regularizations for elliptic and parabolic inverse radiativity problem, Inverse Problem, 36 (2020), 075001.

[8] De-Han Chen and Irwin Yousept : Variational Source Condition for Ill-Posed Backward Nonlinear Maxwell's Equations [PDF] Inverse Problems 35 (2019), 025001.

[7] De-HanChen, Bernd Hofmann and Jun Zou, Regularization of Ill-posed  backward evolution equations in Banach spaces, Journal of Differential Equations, 65 (2018) 3533-3566.

[6] De-Han Chen, Bernd Hofmann and Jun Zou , Elastic-net regularization versus $l^1$-regularization for linear inverse problems with quasi-sparse solutions, Inverse Problem, 33(2017), 015004.

[5] Habib Ammari, De-Han Chen and Jun Zou , Well-posedness of an electrical interface model and its finite element approximation, Mathematical Models and Methods in Applied Science, 26 (2016), 601-625.

[4] De-Han Chen, Rong-Nian Wang and Yong Zhou, Nonlinear evolution inclusions: topological characterization of solution sets and applications, Journal of Functional Analysis, 265 (2013), 2039-2073.

[3] Rong-Nian Wang,   De-Han Chen  and Ti-Jun Xiao, Abstract fractional Cauchy problems with almost sectorial operators, Journal of Differential Equations, 252 (2012), 202-235. 

[2] Rong-Nian Wang, Yan Wang, De-Han Chen , On the singular impulsive functional integral equations involving nonlocal condition, Osaka Journal of Mathematics, 3 (2012), 665-685.

[1] Rong-Nian Wang and  De-Han Chen , On a class of retarded integro-differential equations with nonlocal initial conditions, Computers and Mathematics with Applications, 59 (2010), 3700-3709.