Decomposition of a scalar matrix into a
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Stanislav Kruglyak; Vyacheslav Rabanovich; YuriΔ±Μ SamoΔ±Μlenko
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Article
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2003
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Elsevier Science
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English
β 105 KB
We describe the set of all (Ξ±, n), for which the scalar complex matrix Ξ±I n is a sum of k idempotent Hermitian matrices, and get the minimal number of summands for each Ξ±I n .