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Row Compression and Nested Product Decomposition of a Hierarchical Representation of Quasiseparable Matrices
Start: 07/12/2012 2:00 pm
End: 07/12/2012 3:30 pm
This research introduces a row compression and nested product decomposition of an n × n hierarchical representation of a rank structured matrix A which extends the compression and nested product decomposition of quasiseparable matrices. The row compression is comprised of a sequence of small Householder transformations which are formed from the low-rank off-diagonal blocks of the hierarchical representation of a rank structured matrix.