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Tianwen Wei
The title Lecturer Office Address: Contact Information: Telephone: 027-88385285
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Tianwen Wei

Telephone: 027-88385285

Office Address

Department of Mathematics and Statistics

Zhongnan University of Economics and Law

Nanhu Avenue 182

430073, Wuhan, China

Background

2002-2006: BSc in applied mathematics, University of Wuhan, Wuhan, China.

2007-2009: MSc in applied mathematics, Université Lille 1, Lille, France.

2009-2013: PhD in applied mathematics, Université Lille 1, Lille, France.

2014-2015: Postdoctoral researcher at Université Franche-Comté, Besançon, France.

2013-present: Assistant Professor at Zhongnan University of Economics and Law, Wuhan, China.

Teaching Duties:

Analysis of financial time series

Analysis and design of experiments

Probability and Statistics

Linear algebra

Research Interests:

Independent component analysis

Convex optimization

Tensor decomposition

Dictionary learning

Asymptotic statistics

Publications and Preprints:

S. Chretien and T. Wei and B. Al-Sarray, Joint estimation and model order selection for one dimensional ARMA models via convex optimization: a nuclear norm penalization approach, submitted.

S. Chretien and T. Wei, "Sensing tensors with Gaussian filters", submitted. [ArXiv].

S. Chretien and T. Wei, "The subdifferential of some tensor norms", in preparation.

S. Chretien and T. Wei, "Convex recovery of tensors using nuclear norm penalization", the 12th International Conference on Latent Variable Analysis and Source Separation (LVA/ICA 2015), Liberec, Czech Republic. [ArXiv]

T. Wei, "An overview of the asymptotic performance of the family of the FastICA algorithms", the 12th International Conference on Latent Variable Analysis and Source Separation (LVA/ICA 2015), Liberec, Czech Republic. [ArXiv]

S. Chretien and T. Wei, "Von Neumanns trace inequality for tensors", Linear algebra and its applications, 2015. [ArXiv]

T. Wei, "A convergence and asymptotic analysis of the generalized FastICA algorithm", accepted, IEEE transaction on Signal Processing. [ArXiv]

T. Wei, "A study of the fixed points and spurious solutions of the FastICA algorithm", accepted, Neural Computing and Applications. [ArXiv]

T. Wei, “Asymptotic analysis of the generalized FastICA algorithm”, 2014 IEEE workshop on statistical signal processing, Gold Coast, Australia. [PDF]

T. Wei, “On the spurious solutions of the FastICA algorithm,” 2014 IEEE workshop on statistical signal processing, Gold Coast, Australia. [PDF]

A. Dermoune and T. Wei, “FastICA algorithm: Five criteria for the optimal choice of the nonlinearity function,” IEEE Transactions on Signal Processing, vol. 61, no. 8, pp. 2078–2087, Apr. 2013. [PDF]

A. Dermoune, N. Rahmania, and T. Wei, “General linear mixed model and signal extraction problem with constraint,” Journal of Multivariate Analysis, vol. 105, pp. 311–321, 2012. [PDF]