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Author(s): Ferreira, M. A. M.
Editor: Le Bin Ho
Date: 2020
Title: Some considerations on orthogonality, strict separation theorems and applications in Hilbert spaces
Book title/volume: Hilbert spaces: Properties and applications
Pages: 1 - 19
Collection title and number: Mathematics research developments;
Reference: Ferreira, M. A. M. (2020). Some considerations on orthogonality, strict separation theorems and applications in Hilbert spaces. EM Le Bin Ho (Ed.). Hilbert spaces: Properties and applications (pp.1-19). Nova Science Publishers.
ISBN: 978-1-53616-643-9
Keywords: Hilbert spaces
Convex sets
Riesz representation theorem
Kuhn-Tucker theorem
Minimax theorem
Abstract: After presenting some structural notions on Hilbert spaces, which constitute fundamental support for this work, we approach the goals of thechapter. First,studyaboutconvexsets,projections,andorthogonality, whereweapproachtheoptimizationprobleminHilbertspaceswithsome generality. Then the approach to Riesz representation theorem in this field, important in the rephrasing of the separation theorems. Then we give a look to the strict separation theorems as well as to the main results of convex programming: Kuhn-Tucker theorem and minimax theorem. These theorems are very important in the applications. Moreover, the presented strict separation theorems and the Riesz representation theorem have key importance in the demonstrations of Kuhn-Tucker and minimax theorems and respective corollaries.
Peerreviewed: yes
Access type: Open Access
Appears in Collections:ISTAR-CLI - Capítulos de livros internacionais

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