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`Research interests`

deterministic and statistical inverse problems, statistics, image processing, biostatistics

**Publications**

**Publications**

"On the self-regularization property of the EM algorithm", (with A. Munk), Statistical Modelling and Regression Structures, Festschrift in Honour of Ludwig Fahrmeir, 2010, XXIV, 472 p., Physica-Verlag.

" A method for identifying a spacewise dependent heat source under stochastic noise interference", (with T. Johansson), Inverse Probl. Sci. Eng. 18 (2010), 51-63.

"Nonlinear Tikhonov regularization in Hilbert scales for inverse boundary value problems with random noise", (with T. Hohage), Inverse Problems and Imaging, 2:271-290, 2008.

"A method for identifying a spacewise dependent heat source under stochastic noise interference", (with B.T. Johansson), Abstract for 8th.World Congress on Computational Mechanics (WCCM8), 5th European Congress on Computational Methods in Applied Sciences and Engineeering (ECCOMAS 2008) (Eds. B. A. Schrefler and U. Perego), Venice, Italy, (2008).

"Tikhonov regularization in Hilbert scales for nonlinear statistical inverse problems", PhD thesis, Der Andere Verlag, 2007.

"Culegere de probleme pentru admitere", (contribution of 10 pages, together with the Department of Mathematics, University of Ploiesti), Ed. Premier, 2003.

"Culegere de probleme pentru admitere", (contribution of 12 pages, together with the Department of Mathematics, University of Ploiesti), Ed. Premier, 2001.

"Black- Scholes formula in financial mathematics", published in Buletinul UPG Ploiesti, vol. LII, 2000.

`Drafts `

"Convergence analysis of balancing principle for nonlinear Tikhonov regularization in Hilbert scales for statistical inverse problems", submitted to Inverse Problems (Currently in major revision).

"Convergence analysis of penalized maximum likelihood estimators for linear inverse problems with Poisson noise" (in working)