The numerical simulations of the optimal control in the presence of parameter uncertainty demonstrate the robustness of the optimal control: the main conclusions of the optimal control remain unchanged, even if inevitable variability remains in the control profiles.
Even though the prevalence remains low in China nationwide, challenges in HIV/AIDS prevention and control remain critical in certain regions and populations.
Impoverished areas where the central government has little control remain the largest base of drug production in Southeast Asia.
In the Senate, strategists on both sides believe the prospects of Republicans winning 10 seats to take control remain slim.
In Congress, meanwhile, small but important steps on gun control remain stuck in a House-Senate conference committee, largely because of hard lobbying by the National Rifle Association.
Violence happens within same-sex relationships, and by women towards men, but the dynamic of power and control remain the same.
No matter how you slice it, the Giuliani positions on abortion, gay rights and gun control remain indistinguishable from Hillary Clinton's.
Republicans also are likely to eat into the Democratic majority in the Senate, though their prospects of taking control remain slim.
The firm's proposed governance structure gives complete control in perpetuity to a secret cabal not named in the initial offering document.The cabal and the control remain, but the secrecy is now gone.
"A few pockets within a few kilometres of the line of control" remain, says a spokesman.Maybe, but some outsiders think it will take months to push out the intruders, and others doubt it can be done at all.
Sixty years after the creation of Israel, more than half of them remain in physical exile from their homeland, while the rest, partitioned into enclaves under various forms of Israeli control, remain exiled from each other and from the wider Arab world.
