The random walk (RW) is a very important model in science and engineering researches. It has been studied over hundreds years. However, there are still some ove
We investigate Gaver’s parallel system attended by a cold standby unit and a repairman with multiple vacations. By using C0-semigroup theory of linear operator
In diagnostic trials, clustered data are obtained when several subunits of the same patient are observed. Within-cluster correlations need to be taken into acco