A counterexample to a conjecture of Akemann and Anderson
Nik Weaver
Abstract
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Nik Weaver
Abstract
Open-access reader
Akemann and Anderson made a conjecture about ``paving'' projections in finite dimensional matrix algebras which, if true, would settle the well-known Kadison-Singer problem. We falsify their conjecture by an explicit seqence of counterexamples.
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Akemann and Anderson made a conjecture about ``paving'' projections in finite dimensional matrix algebras which, if true, would settle the well-known Kadison-Singer problem. We falsify their conjecture by an explicit seqence of counterexamples.
Key concepts: Counterexample, Conjecture, Mathematics, Matrix (chemical analysis), Combinatorics, Discrete mathematics, Pure mathematics, Materials science