%0 Journal Article %T On $\alpha $-semi-Short Modules %J Journal of Algebraic Systems %I Shahrood University of Technology %Z 2345-5128 %A Davoudian, Maryam %D 2019 %\ 01/01/2019 %V 6 %N 2 %P 91-99 %! On $\alpha $-semi-Short Modules %K α-short modules %K α-almost Noetherian modules %K α-semi short modules %K α-semi Noetherian modules %K dual perfect dimension %R 10.22044/jas.2018.5493.1279 %X We introduce and study the concept of $\alpha $-semi short modules. Using this concept we extend some of the basic results of $\alpha $-short modules to $\alpha $-semi short modules. We observe that if $M$ is an $\alpha $-semi short module then the dual perfect dimension of $M$ is $\alpha $ or $\alpha +1$. %In particular, if a semiprime ring $R$ is $\alpha $-semi short as an $R$-module, then its Noetherian dimension either is $\alpha$ or $\alpha +1$. %U https://jas.shahroodut.ac.ir/article_1360_7f4f6f35eeb2298932fcc91ec18e8d44.pdf