Results 181 to 190 of about 25,291 (257)

Interpolation of compact multilinear operators between quasi-Banach spaces

open access: yes
We investigate the interpolation properties of compact multilinear operators by the real method between quasi-Banach spaces. As an application we establish a reinforced version of a multilinear Marcinkiewicz theorem.Depto.
Fernández-Cabrera Marín, Luz María   +2 more
core   +1 more source

Operator ranges in Banach spaces with weak star separable dual

open access: yes
2023 Acuerdos transformativos CRUEWe provide several extensions for Banach spaces with weak⁎-separable dual of a theorem of Schevchik ensuring that for every proper dense operator range R in a separable Banach space E, there exists a one-to-one and dense-
Jiménez Sevilla, María Del Mar   +1 more
core   +1 more source

Existence of tripled fixed points for a class of condensing operators in Banach spaces. [PDF]

open access: yesScientificWorldJournal, 2014
Karakaya V   +3 more
europepmc   +1 more source

A Reverse of the Triangle Inequality in Inner Product Spaces and Applications for Polynomials

open access: yes, 2005
A reverse of the triangle inequality in inner product spaces related to the celebrated Diaz-Metcalf inequality with applications for complex polynomials is ...
Dragomir, Sever S
core  

Characterization of Best Approximants from Convex Subsets and Level Sets in Normed Linear Spaces

open access: yes, 1999
Some new characterization of best approximants from convex subsets and level sets of convex mappings in normed linear spaces in terms of norm derivatives and sub-orthogonality in Birkhoff's sense are ...
Dragomir, Sever S
core  

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