@article{(Open Science Index):https://publications.waset.org/pdf/10011915, title = {Algebras over an Integral Domain and Immediate Neighbors}, author = {Shai Sarussi}, country = {}, institution = {}, abstract = {Let S be an integral domain with field of fractions F and let A be an F-algebra. An S-subalgebra R of A is called S-nice if R∩F = S and the localization of R with respect to S \0 is A. Denoting by W the set of all S-nice subalgebras of A, and defining a notion of open sets on W, one can view W as a T0-Alexandroff space. A characterization of the property of immediate neighbors in an Alexandroff topological space is given, in terms of closed and open subsets of appropriate subspaces. Moreover, two special subspaces of W are introduced, and a way in which their closed and open subsets induce W is presented.}, journal = {International Journal of Mathematical and Computational Sciences}, volume = {15}, number = {3}, year = {2021}, pages = {46 - 50}, ee = {https://publications.waset.org/pdf/10011915}, url = {https://publications.waset.org/vol/171}, bibsource = {https://publications.waset.org/}, issn = {eISSN: 1307-6892}, publisher = {World Academy of Science, Engineering and Technology}, index = {Open Science Index 171, 2021}, }