International Journal of Neutrosophic Science IJNS 2690-6805 2692-6148 10.54216/IJNS 2020 2020 Neutrosophic Crisp B-Functions Department of Mathematics and Computer Science, Faculty of Sciences, Port Said University, Egypt A. A. Salama   The purpose of the present paper is to introduce and study the concept of B-continuous function and B-open function in neutrosophic crisp topological spaces. Finally, some characterizations concerning neutrosophic crisp functions are presented and one obtains several properties.   2019 2019 90 99 10.54216/IJNS.000205