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On Some Discrete Inequalities in Normed Linear Spaces

open access: yes, 2005
Some sharp discrete inequalities in normed linear spaces are obtained.
Dragomir, Sever S
core  

Lorentz type spaces of ultrasmooth vectors of closed operators

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2009
Lorentz type spaces of ultrasmooth vectors of closed operators in Banach spaces are defined. Interpolation properties of such spaces are established and their application to the decision of problem of approaching of elements of Banach space is shown ...
M. I. Dmytryshyn, O. V. Lopushansky
doaj  

An inequality in metric spaces

open access: yes, 2004
In this note we establish a general inequality valid in metric spaces that is related to the polygonal inequality and admits also a natural geometrical interpretation.
Dragomir, Sever S, Goşa, Anca C
core  

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