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09.06.2020The goal of this work we introduce eight different types of bitopological groups each of which de...
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07.09.2020
By using-operator we define a new type of dense set, codense ideal, many type of maps and studied...
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27.05.2020
The goal of this a book is to recall some types of weak open sets, prove some of its properties a...
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02.06.2020
The goal of this a book is to recall some types of weak open sets, prove some of its properties a...
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28.01.2022
In this book , we used the concept of soft sets and we studied the soft sets theory as an analyti...
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