نور رياض كريم الموسوي

The main target of this article is devoted to the generalization types of fuzzy contra continuous mapping so-called fuzzy contra t generalized pre− continuous mapping and fuzzy contra t∗ generalized pre− continuous mapping by utilizing fuzzy tgp-closed sets and fuzzy t∗gp-closed sets. We look into a few of their characteristics and discuss the relationship between these types and how they relate to other types of fuzzy mappings. Furthermore, we provide some examples that demonstrate that the inverse is not always true.

In this paper we introduce the concept of fuzzy weighted shift operators in a nonempty fuzzy set and investigate some of algebraic properties. The sufficient condition to satisfy that fuzzy weighted shift operators are fuzzy subsemigroub and fuzzy bi-ideal is given.

In this research, a new method for deleting objects for colour images based on fuzzy sets are presented. The idea of filtering is that the fuzzy set filter to remove objects. The results show that the proposed filter is more efficient than other methods. MATLAB would be the paper environment (data set are 30 colour images with any format). Performance criteria used to demonstrate the accuracy of the method used and its best statistical criteria such as (mean and peak signal to noise ratio).

In this paper, we aim to address the idea of fuzzy -set and fuzzy -set in fuzzy topological space to present new types of the fuzzy closed set named fuzzy -closed set and fuzzy -closed set. We will study several examples and explain the relations of them with other classes of fuzzy closed sets. Moreover, in a fuzzy locally indiscrete space we can see that these two sets are the same.

Social media such as “Twitter and Facebook” is carefully thought as one of the effective factors in many fields of study today such as stock market prediction. This study reviews new methods of stock market prediction that used the effect of social media networks. In the last decade, the social media has an effective impact on the stock market prediction. This research is managed and done conducted by reviewing 25 articles that studied the social media effect on stock market prediction and discussed their effect on different stock markets. One of the main end results is that there is a significant effect of the stock market prediction as shown in this study.

The aim of this article is to study and introduce new classes of fuzzy sets named fuzzy locally