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$I$-sets and cominimal projections

100%

Lipieta A.

Commentationes Mathematicae

2006

tom 46

nr 1

Let $Y \subset l^n_\infty$ be a subspace of codimension two. For $n = 4$ the formula for cominimal projections will be presented. For $n = 5$ the complete characterization of $I$-sets which determined cominimal projections and consequently the manner of finding cominimal projections will be given. This completes the results from [15].

Almost sure approximation of unbounded operators in $L_2 (X,A,μ)$

100%

Jajte R., Paszkiewicz A.

Studia Mathematica

1998

tom 128

nr 2

103-120

The possibilities of almost sure approximation of unbounded operators in $L_2(X,A,μ)$ by multiples of projections or unitary operators are examined.

Ograniczanie wyników

1 Commentationes Mathematicae

1 Studia Mathematica

1 Jajte R.

1 Lipieta A.

1 Paszkiewicz A.

1 2006

1 1998

Wyniki wyszukiwania

\(I\)-sets and cominimal projections

Almost sure approximation of unbounded operators in $L_2 (X,A,μ)$