Vector inequalities for two projections in Hilbert spaces and applications

zbMATH Open1393.46018MaRDI QIDQ1697629

Silvestru Sever Dragomir

Publication date: 20 February 2018

Published in: Communications in Mathematical Analysis (Search for Journal in Brave)

Full work available at URL: https://projecteuclid.org/euclid.cma/1509674426

zbMATH Keywords

projectioninner product spacesoperator normnumerical radiusBuzano's inequalitySchwarz's inequality

Mathematics Subject Classification ID

Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05) Inequalities for sums, series and integrals (26D15) Inequalities involving derivatives and differential and integral operators (26D10)

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