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Could Iran be using China's BeiDou system? Ukraine wants money and technology as payback after sending specialists to the Middle East to help down Iranian drones during the ongoing Israel-United States war with Iran . President Volodymyr Zelenskyy told reporters on Sunday that three teams were sent to the region to undertake expert assessments and demonstrate how drone defences work as countries in the Middle East continue to be targeted by Iran over hosting US military bases. We are not at war with Iran," Zelenskyy said. Earlier this week, Ukraine's leader announced military teams were sent to Qatar, the United Arab Emirates, Saudi Arabia, and a US military base in Jordan. But he explained that more long-term drone deals could be negotiated with Gulf countries, and what Kyiv gets in return for its assistance still needs to be established. "For us today, both the technology and the funding are important," Zelenskyy said. Throughout the four-year Russia-Ukraine war, Moscow has widely used Iranian Shahed-136 "suicide" drones, giving Kyiv expertise in knowing how to down the unmanned aerial vehicles through cheap drone interceptors, electronic jamming tools, and anti-aircraft weaponry. However, US President Donald Trump has said he does not need Ukraine's help in taking down Iranian drones attacking American targets. Zelenskyy said he doesn't know why Washington hasn't signed a drone agreement with Kyiv, which it has pushed for months. "I wanted to sign a deal worth about $35bn-50bn," he said. Still, as the Russia-Ukraine conflict continues with no end in sight, Zelenskyy raised concerns that the ongoing war in the Middle East will impact Kyiv's supplies of air defence missiles. "We would very much not like the United States to step away from the issue of Ukraine because of the Middle East," he told reporters. But as interest has grown for Ukrainian drone interceptors in light of the war, Zelenskyy said Kyiv's rules to buy the drones must be tightened, with foreign countries and firms being unable to bypass the government and talk directly to manufacturers. "Unfortunately, representatives of certain governments or companies want to bypass the Ukrainian state to purchase specific equipment," Zelensky told reporters. "Even in some free countries, we do not initially receive contracts from the private sector.

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Two people have died following an outbreak of invasive meningitis at the University of Kent. BBC South East understands that a further 11 people from the Canterbury area are currently in hospital and reported to be seriously ill. It is understood that most are aged between 18 and 21 and are students at the university. Both of the people who have died are also believed to be between 18 and 21, with one also confirmed to be a student. More than 30,000 students, staff and their families are being contacted by the UK Health Security Agency (UKHSA) to inform them of the situation.

Foreachparticipantit threelabels: the "suggested" label (binary), the "seen" label (categoricalwiththree "liked" label (categoricalwiththreeclasses) foratotalof 14 dimensions.

We study the fundamental problems of identity testing (goodness of fit), and closeness testing (two sample test) of distributions over k elements, under di erential privacy. While the problems have a long history in statistics, finite sample bounds for these problems have only been established recently. In this work, we derive upper and lower bounds on the sample complexity of both the problems under (Á, ")-di erential privacy. We provide sample optimal algorithms for identity testing problem for all parameter ranges, and the first results for closeness testing. Our closeness testing bounds are optimal in the sparse regime where the number of samples is at most k.

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But could more performance be squeezed out of networks by using different input representations?

Empirical results show that our approach can achieve substantial improvement over the state-of-the-art baselines.

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