A nonstable C^-algebra with an elementary essential composition series von Saeed Ghasemi, Piotr Koszmider

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On coverings of Banach spaces and their subsets by hyperplanes von Głodkowski, Damian, Koszmider, Piotr

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A note on the Akemann-Doner and Farah-Wofsey constructions von BICE, TRISTAN, KOSZMIDER, PIOTR

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Rosenthal families, pavings, and generic cardinal invariants von Koszmider, Piotr, Martínez-Celis, Arturo

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A non-diagonalizable pure state von Koszmider, Piotr

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On the existence of overcomplete sets in some classical nonseparable Banach spaces von Koszmider, Piotr

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BANACH SPACES IN WHICH LARGE SUBSETS OF SPHERES CONCENTRATE von Koszmider, Piotr

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An isometrically universal Banach space induced by a non-universal Boolean algebra von Brech, Christina, Koszmider, Piotr

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Uncountable equilateral sets in Banach spaces of the form C(K) von Koszmider, Piotr

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Equilateral and separated sets in some Hilbert generated Banach spaces von Koszmider, Piotr, Ryduchowski, Kamil

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Almost disjoint families of countable sets and separable complementation properties von Ferrer, Jesús, Koszmider, Piotr, Kubiś, Wiesław

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Countably tight dual ball with a nonseparable measure von Koszmider, Piotr, Silber, Zdeněk

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On universal spaces for the class of Banach spaces whose dual balls are uniform Eberlein compacts von BRECH, CHRISTINA, KOSZMIDER, PIOTR

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Large Banach spaces with no infinite equilateral sets von Koszmider, Piotr, Wark, Hugh

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C-algebras with and without ≪-increasing approximate units von Bice, Tristan, Koszmider, Piotr

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Thin-very tall compact scattered spaces which are hereditarily separable von BRECH, CHRISTINA, KOSZMIDER, PIOTR

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On decompositions of Banach spaces of continuous functions on Mrówka's spaces von Koszmider, Piotr

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A Banach space induced by an almost disjoint family, admitting only few operators and decompositions von Koszmider, Piotr, Laustsen, Niels Jakob

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On constructions with 2-cardinals von Koszmider, Piotr

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On the problem of compact totally disconnected reflection of nonmetrizability von Koszmider, Piotr

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