Direction finding by complex L1-principal-component analysis. - Nicholas Tsagkarakis; Panos P. Markopoulos; Dimitrios A. Pados (SPAWC, 2015)

On the L1-Norm Approximation of a Matrix by Another of Lower Rank. - Nicholas Tsagkarakis; Panos P. Markopoulos; Dimitris A. Pados (ICMLA, 2016)

L1-norm Principal-Component Analysis of Complex Data. - Nicholas Tsagkarakis; Panos P. Markopoulos; Dimitris A. Pados (CoRR, 2017)

L1-Norm Principal-Component Analysis of Complex Data. - Nicholas Tsagkarakis; Panos P. Markopoulos; George Sklivanitis; Dimitris A. Pados (IEEE Trans. Signal Process., 2018)

Realified L1-PCA for direction-of-arrival estimation: theory and algorithms. - Panos P. Markopoulos; Nicholas Tsagkarakis; Dimitris A. Pados; George N. Karystinos (EURASIP J. Adv. Signal Process., 2019)

Optimal Joint Channel Estimation and Data Detection by L1-norm PCA for Streetscape IoT. - George Sklivanitis; Konstantinos Tountas; Nicholas Tsagkarakis; Dimitris A. Pados; Stella N. Batalama (ICASSP, 2020)