The length problem for a sum of idempotents

DOI10.1016/0024-3795(93)00083-CzbMath0824.15011WikidataQ127349712 ScholiaQ127349712MaRDI QIDQ1347222

Jin-Hsien Wang

Publication date: 4 April 1995

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

zbMATH Keywords

tracerankcomplex matrixlength problemJordan-canonical formsum of idempotent matrices

Mathematics Subject Classification ID

Vector spaces, linear dependence, rank, lineability (15A03) Canonical forms, reductions, classification (15A21)

Related Items (6)

Factorization of matrices into quadratic ones. II ⋮ Decomposition of a scalar matrix into a sum of orthogonal projections ⋮ Decomposition of a Hermitian matrix into a sum of fixed number of orthogonal projections ⋮ An integer programming problem and rank decomposition of block upper triangular matrices ⋮ Rank equalities for idempotent matrices with applications. ⋮ Expressing infinite matrices as sums of idempotents

Cites Work

• The operator factorization problems
• Sums of idempotent matrices
• When is a matrix a difference of two idempotents
• When is a matrix a sum of idempotents?
• On Similarity and the Diagonal of a Matrix

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