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Ishteva, M., Absil, P., Van Huffel, S., De Lathauwer, L. (2011). Best low multilinear rank approximation of higher-order tensors, based on the Riemannian trust-region scheme. SIAM Journal on Matrix Analysis and Applications, 32 (1), 115-132.
Ishteva, M., Absil, P., Van Huffel, S., De Lathauwer, L. (2010). Tucker compression and local optima. Chemometrics and Intelligent Laboratory Systems, 106 (1), 57-64.
Ishteva, M., De Lathauwer, L., Absil, P., Van Huffel, S. (2009). Differential-geometric Newton method for the best rank-(R1,R2,R3) approximation of tensors. Numerical Algorithms, 51 (2), 179-194.
Absil, P., Ishteva, M., De Lathauwer, L., Van Huffel, S. (2009). A geometric Newton method for Oja's vector field. Neural Computation, 21 (5), 1415-1433.
Ishteva, M., De Lathauwer, L., Absil, P., Van Huffel, S. (2008). Dimensionality reduction for higher-order tensors: algorithms and applications. International Journal of Pure and Applied Mathematics, 42 (3), 337-343.
Ishteva, M., Absil, P., Van Huffel, S., De Lathauwer, L. (2010). Local minima of the best low multilinear rank approximation of tensors. Proc. of the 19th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2010). 19th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2010). Budapest, Hungary, Jul. 2010 (pp. 2145-2146).
Ishteva, M., De Lathauwer, L., Absil, P., Van Huffel, S. (2008). The best rank-(R1,R2,R3) approximation of tensors by means of a geometric Newton method. Proc. of the 6th International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 2008). 6th International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 2008). Kos, Greece, Sep. 2008 (pp. 274-277).
Ishteva, M., De Lathauwer, L., Van Huffel, S. (2006). Comparison of the performance of matrix and tensor based multi-channel harmonic analysis. Proc. of the 7th International Conference on Mathematics in Signal Processing. 7th International Conference on Mathematics in Signal Processing. Cirencester, UK, Dec. 2006 (pp. 77-80).
Two OPTEC professors have been awarded three "Gouden Krijtjes", the yearly teaching awards given by the organization of engineering students (vtk). Prof. Lombaert was awarded the prize for the best course in civil engineering, and Prof. Diehl the prizes for the best professor and the best course in mathematical engineering (where he teaches numerical optimization). They received these awards at the yearly "proffentap" where experienced students taught them how to draft beer professionally.
