<p style='text-indent:20px;'>This paper focuses on the spread dynamics of an HIV/AIDS model with multiple stages infection and treatment, which is disturbed by both white noise telegraph noise. Switching between different environmental states governed Markov chain. Firstly, we prove existence uniqueness global positive solution. Then investigate a unique ergodic stationary distribution co...

The development of resistance in the Oriental fruit moth, Grapholita molesta (Busck) to organophosphorus (OP) insecticides (azinphos-methyl and phosmet) is a serious threat to the tender fruit industry in Ontario (50% crop losses in 1994). Resistance to carbamate insecticides and increased survival of field-collected moths at diagnostic concentrations of pyrethroids were widespread. As a result...

Dynamic treatment regime is a decision rule in which the choice of the treatment of an individual at any given time can depend on the known past history of that individual, including baseline covariates, earlier treatments, and their measured responses. In this paper we argue that finding an optimal regime can, at least in moderately simple cases, be accomplished by a straightforward applicatio...

due to frequent threats of israel by iraq and its approach to attain nuclearweapons, israel destroyed iraq’s atomic installations in 1982 .during 1990szionist regime and its followers asked u.s to resolve once and remove iraqthreats over israel .in 2003 after iraq occupation zionist regime took irannuclear activities under control closely and approached to syria and turkey .israel tries to put ...