The regularity and uniform positivity of the range of orthogonal projections

DOI10.1007/s11785-024-01621-2MaRDI QIDQ6640704

Guo-jun Hai, Lu-Lu Zhang

Publication date: 20 November 2024

Published in: Complex Analysis and Operator Theory (Search for Journal in Brave)

zbMATH Keywords

Krein spaceregular subspace\(J\)-selfadjoint operator\(J\)-contractive projectionuniformly positive subspace

Mathematics Subject Classification ID

Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) Linear operators on spaces with an indefinite metric (47B50)

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