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Fuzzy Inner Product Space: Literature Review and a New Approach [PDF]

open access: yesMathematics, 2021
The aim of this paper is to provide a suitable definition for the concept of fuzzy inner product space. In order to achieve this, we firstly focused on various approaches from the already-existent literature.
Lorena Popa, Lavinia Sida
doaj   +5 more sources

Absence of Non-Trivial Fuzzy Inner Product Spaces and the Cauchy–Schwartz Inequality [PDF]

open access: yesMathematics, 2020
First, we show that the non-trivial fuzzy inner product space under the linearity condition does not exist, which means a fuzzy inner product space with linearity produces only a crisp real number for each pair of vectors. If the positive-definiteness is
Taechang Byun   +3 more
doaj   +5 more sources

Inner Product Fuzzy Quasilinear Spaces and Some Fuzzy Sequence Spaces

open access: yesJournal of Mathematics, 2022
It has been shown that the class of fuzzy sets has a quasilinear space structure. In addition, various norms are defined on this class, and it is given that the class of fuzzy sets is a normed quasilinear space with these norms.
Yılmaz Yılmaz   +3 more
doaj   +3 more sources

FUZZY n-INNER PRODUCT SPACE [PDF]

open access: yesBulletin of the Korean Mathematical Society, 2007
The purpose of this paper is to introduce the notion of fuzzy n-inner product space. Ascending family of quasi -n-norms corresponding to fuzzy quasi n-norm is introduced and we provide some results on it.
Srinivasan Vijayabalaji   +1 more
exaly   +3 more sources

Classification of Complex Fuzzy Numbers and Fuzzy Inner Products

open access: yesMathematics, 2020
The paper is concerned with complex fuzzy numbers and complex fuzzy inner product spaces. In the classical complex number set, a complex number can be expressed using the Cartesian form or polar form. Both expressions are needed because one expression is
Jin Hee Yoon   +3 more
doaj   +4 more sources

The Fixed Point Method for Fuzzy Approximation of a Functional Equation Associated with Inner Product Spaces [PDF]

open access: yesDiscrete Dynamics in Nature and Society, 2010
Th. M. Rassias (1984) proved that the norm defined over a real vector space 𝑋 is induced by an inner product if and only if for a fixed integer 𝑛≥2,∑𝑛𝑖=1‖𝑥𝑖∑−(1/𝑛)𝑛𝑗=1𝑥𝑗‖2=∑𝑛𝑖=1‖𝑥𝑖‖2∑−𝑛‖(1/𝑛)𝑛𝑖=1𝑥𝑖‖2 holds for all 𝑥1,…,𝑥𝑛∈𝑋.
M. Eshaghi Gordji, H. Khodaei
doaj   +4 more sources

On fuzzy n-inner product spaces [PDF]

open access: yesAIP Conference Proceedings, 2017
In this paper, first we show that every n-inner product space can be reduced to (n-1) inner product space. Then we construct a new concept of fuzzy n-inner product space. Furthermore, we show that every fuzzy n-inner product space can be reduced to fuzzy (n-1) inner product space.
Abdul Hadi, Mashadi, Sri Gemawati
exaly   +3 more sources

Another Type of Fuzzy Inner Product Space

open access: yesIraqi Journal of Science, 2023
    In this paper, we generalize the definition of fuzzy inner product space that is introduced by Lorena Popa and Lavinia Sida on a complex linear space. Certain properties of the generalized fuzzy inner product function are shown. Furthermore, we prove that this fuzzy inner product produces a Nadaban-Dzitac fuzzy norm.
Raghad I. Sabri, Buthainah A. A. Ahmed
openaire   +2 more sources

Some Properties of Fuzzy Inner Product Space

open access: yesIraqi Journal of Science, 2021
     Our goal in the present paper is to introduce a new type of fuzzy inner product space. After that, to illustrate this notion, some examples are introduced. Then we prove that that every fuzzy inner product space is a fuzzy normed space. We also prove that the cross product of two fuzzy inner spaces is again a fuzzy inner product space.
J. Kider
openaire   +3 more sources

Operators in 2-fuzzy n-n inner product space

open access: yesMalaya Journal of Matematik, 2018
In this paper various 2 -fuzzy operators are introduced in 2 -fuzzy $n-n$ inner product space and the properties of 2-fuzzy self-adjoint, 2-fuzzy normal, 2-fuzzy unitary and 2-fuzzy projection operators are studied.
null Thangaraj Beaula, null Daniel Evans
openaire   +2 more sources

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