Independent Subspace Analysis Is Unique, Given Irreducibility. - Harold W. Gutch; Fabian J. Theis (ICA, 2007)

Hierarchical Extraction of Independent Subspaces of Unknown Dimensions. - Peter Gruber 002; Harold W. Gutch; Fabian J. Theis (ICA, 2009)

ICA over Finite Fields. - Harold W. Gutch; Peter Gruber 002; Fabian J. Theis (LVA/ICA, 2010)

Second Order Subspace Analysis and Simple Decompositions. - Harold W. Gutch; Takanori Maehara; Fabian J. Theis (LVA/ICA, 2010)

An ISA algorithm with unknown group sizes identifies meaningful clusters in metabolomics data. - Harold W. Gutch; Jan Krumsiek; Fabian J. Theis (EUSIPCO, 2011)

To Infinity and Beyond: On ICA over Hilbert Spaces. - Harold W. Gutch; Fabian J. Theis (LVA/ICA, 2012)

Joint Diagonalization of Several Scatter Matrices for ICA. - Klaus Nordhausen; Harold W. Gutch; Hannu Oja; Fabian J. Theis (LVA/ICA, 2012)

Uniqueness of linear factorizations into independent subspaces. - Harold W. Gutch; Fabian J. Theis (J. Multivar. Anal., 2012)

ICA over finite fields - Separability and algorithms. - Harold W. Gutch; Peter Gruber 002; Arie Yeredor; Fabian J. Theis (Signal Process., 2012)