Paweł Wójcik
Pedagogical University
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Publication
Featured researches published by Paweł Wójcik.
Annales Mathematicae Silesianae | 2016
Tomasz Stypuła; Paweł Wójcik
Abstract In this paper we consider the approximate orthogonalities in real normed spaces. Using the notion of approximate orthogonalities in real normed spaces, we provide some new characterizations of rotundity and smoothness of dual spaces.
Annales Mathematicae Silesianae | 2017
Paweł Wójcik
Abstract In this expository paper, we present a new and easier proof of the Polar Decomposition Theorem. Unlike in classical proofs, we do not use the square root of a positive matrix. The presented proof is accessible to a broad audience.
Aequationes Mathematicae | 2010
Jacek Chmieliński; Paweł Wójcik
Nonlinear Analysis-theory Methods & Applications | 2010
Jacek Chmieliński; Paweł Wójcik
Journal of Mathematical Analysis and Applications | 2012
Paweł Wójcik
Banach Center Publications | 2013
Jacek Chmieliński; Paweł Wójcik
Journal of Mathematical Analysis and Applications | 2015
Paweł Wójcik
Indagationes Mathematicae | 2017
Paweł Wójcik
Expositiones Mathematicae | 2017
Paweł Wójcik
Banach Journal of Mathematical Analysis | 2016
Jacek Chmieliński; Radosław Łukasik; Paweł Wójcik
