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Spectral properties of variable-coefficient Toeplitz matrices

Finite sections of classical Toeplitz matrices have been heavily studied in the last decades due to its several applications in particular to engineering problems. Variable-coefficient Toeplitz matrices generalize these ones. We will present results on the asymtotic behaviour of the singular values, pseudospectrum and  the trace (in the sense of Extensions of Szegö-type theorems) for these type os sequences.

The talk is based on joint work with B. Silbermann.

Date:  2018-06-15
Start Time:   14:30
Speaker:  Helena Mascarenhas (CEAFEL, IST Lisboa)
Institution:  CEAFEL, Instituto Superior Técnico, Lisboa
Place:  Room 5.5
Research Groups: -Analysis
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