A note on the equality of rank and trace for an idempotent matrix

DOI10.1016/J.AMC.2011.02.001zbMath1213.15008OpenAlexW2075569767MaRDI QIDQ716114

D. Kharzeev

Publication date: 19 April 2011

Published in: Applied Mathematics and Computation (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.amc.2011.02.001

zbMATH Keywords

tracerankmatrix factorizationoblique projectoridempotent matrix

Mathematics Subject Classification ID

Factorization of matrices (15A23) Determinants, permanents, traces, other special matrix functions (15A15) Vector spaces, linear dependence, rank, lineability (15A03)

Related Items (2)

Complete reducibility of gyrogroup representations ⋮ Idempotents in triangular matrix rings

Cites Work

• Unnamed Item
• On the equality between rank and trace of an idempotent matrix
• Further results on generalized and hypergeneralized projectors

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