info:eu-repo/semantics/article

Unitary operators with decomposable corners

Fecha
2021-01
Registro en:
Andruchow, Esteban; Unitary operators with decomposable corners; Banach Mathematical Research Group; Banach Journal Of Mathematical Analysis; 15; 1; 1-2021; 1-26
1735-8787
CONICET Digital
CONICET
Autor
Andruchow, Esteban
Institución
Resumen
We study pairs (U, L) , where U is a unitary operator in H and L⊂ H is a closed subspace, such that PL0U|L0:L0→L0has a singular value decomposition. Abstract characterizations of this condition are given, as well as relations to the geometry of projections and pairs of projections. Several concrete examples are examined.
Materias

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