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Open AccessJournal ArticleDOI

Soft set theory—First results

TLDR
The main purpose of this paper is to introduce the basic notions of the theory of soft sets, to present the first results of the the theory, and to discuss some problems of the future.
Abstract
The soft set theory offers a general mathematical tool for dealing with uncertain, fuzzy, not clearly defined objects. The main purpose of this paper is to introduce the basic notions of the theory of soft sets, to present the first results of the theory, and to discuss some problems of the future.

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Journal ArticleDOI

Pythagorean Fuzzy Soft Einstein Ordered Weighted Average Operator in Sustainable Supplier Selection Problem

TL;DR: In this paper, a novel Pythagorean fuzzy soft Einstein ordered weighted averaging (PFSEOWA) operator based on operational laws for Pythagoregian fuzzy soft numbers is presented.
Journal ArticleDOI

Intersectional soft sets and applications to bck/bci-algebras

TL;DR: The notion of intersectional soft sets is introduced in this paper, and several examples are given for their application to BCK/BCI-algebras, including the use of soft sets in the construction of BCK.
Journal ArticleDOI

An application of soft Set and fuzzy soft Set theories to stock management

TL;DR: A model to track the remaining raw materials in stock at the end of the first week (or first month) by using soft sets theory and an algorithm for factors influencing stock management using the notion of a fuzzy soft set are introduced.
Journal ArticleDOI

Decision-making approach based on Pythagorean Dombi fuzzy soft graphs

TL;DR: The concept of Pythagorean Dombi fuzzy soft graph (PDFSG) is proposed and the comparison analysis of the proposed model is presented to show the superiority than existing model.
Journal Article

Introduction to Plithogenic Hypersoft Subgroup

TL;DR: By introducing function in different plithogenic hypersoft environments, some homomorphic properties of plithogen hypersoft subgroups have been analyzed.
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