Displaying similar documents to “Holomorphic framings for projections in a Banach algebra.”

ϕ ( F 11 ) = 88 .

Luca, Florian, Mignotte, Maurice (2006)

Divulgaciones Matemáticas

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Noncommutative Valdivia compacta

Marek Cúth (2014)

Commentationes Mathematicae Universitatis Carolinae

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We prove some generalizations of results concerning Valdivia compact spaces (equivalently spaces with a commutative retractional skeleton) to the spaces with a retractional skeleton (not necessarily commutative). Namely, we show that the dual unit ball of a Banach space is Corson provided the dual unit ball of every equivalent norm has a retractional skeleton. Another result to be mentioned is the following. Having a compact space K , we show that K is Corson if and only if every continuous...