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When Does Pairing Seeds Reduce Variance? Evidence from a Multi-Agent Economic Simulation

arXiv.org Machine Learning

Machine learning systems appear stochastic but are deterministically random, as seeded pseudorandom number generators produce identical realisations across repeated executions. Standard evaluation practice typically treats runs across alternatives as independent and does not exploit shared sources of randomness. This paper analyses the statistical structure of comparative evaluation under shared random seeds. Under this design, competing systems are evaluated using identical seeds, inducing matched stochastic realisations and yielding strict variance reduction whenever outcomes are positively correlated at the seed level. We demonstrate these effects using an extended learning-based multi-agent economic simulator, where paired evaluation exposes systematic differences in aggregate and distributional outcomes that remain statistically inconclusive under independent evaluation at fixed budgets.


Scientists find clues in your facial expressions that could be a hidden sign of autism

Daily Mail - Science & tech

Woke wannabe LA mayor melts down during radio interview, says she deserves job because she's a MOTHER - then gets her own age wrong I got the'taboo' cancer soaring among women. Treatment saved my life... but I can NEVER have sex again. It didn't have to be like this AMANDA PLATELL: This single line in Brooklyn Beckham's nuclear outburst is brutal... but it's made me rethink EVERYTHING about Victoria and David The bitter trademark row at the heart of the Beckham feud: Why'devastated' Victoria bore the brunt of Brooklyn's eviscerating statement that has left her'on the floor in pieces' Cut BACK on breakfast cereal. Nick Reiner is'childlike' in jail and so out of it he cannot process the murders of his parents, insider claims The Osteopenia Plague: Almost HALF of over-50s now have the dreaded bone disease. Dark side of America's favorite vacation hotspot... where women are subjected to the most horrific sex attacks imaginable Disturbing video appears to show former Disney star shoving his ex-fiancée after'hammer threat'... as Matt Prokop is arrested for child pornography Joseph Gordon-Levitt was the hottest actor in Hollywood... then vanished: Unearthing family tragedy that sparked disappearance and has left'lasting' scars Shades-wearing Macron hits back at'bully' Trump and warns'we're shifting to a world without rules' where'international law is trampled underfoot and the only law that matters is that of the strongest' Trump reveals why he leaked world leaders' messages and his secret role in foiling a prison break in Syria: Live updates Brooklyn Beckham and Nicola Peltz's wedding guest speaks out and claims Victoria DID dance inappropriately with her son A person's facial reactions may reveal if they have autism, as scientists have found that those with the condition'speak a different language' with their expressions.


The Lawsuit That Could Reshape the AI Industry Is Going to Trial

TIME - Tech

Welcome back to, TIME's new twice-weekly newsletter about AI. If you're reading this in your browser, why not subscribe to have the next one delivered straight to your inbox? What to Know: Musk v. Altman Two artificial intelligence heavyweights will face off in court this spring, in a case that could have far-reaching outcomes for the future of AI. A judge ruled on Thursday that Elon Musk's lawsuit against Sam Altman, Microsoft, and other OpenAI co-founders can proceed to a jury trial, dismissing OpenAI's attempts to get the case thrown out. The lawsuit relates to the early days of OpenAI, which started as a nonprofit that was funded by around $38 million in donations from Musk.


The Morning After: Elon Musk wants a 134 billion payout from OpenAI and Microsoft

Engadget

How to claim Verizon's $20 outage credit He gave millions in seed funding. Part of a lawsuit accusing OpenAI of abandoning its non-profit status claims Musk is owed anywhere from $79 billion to $134 billion in damages for the "wrongful gains" of OpenAI and Microsoft. Musk claims in the filing that he's entitled to a chunk of the company's recent $500 billion valuation, after contributing $38 million in "seed funding" during the AI company's early years. It wasn't just money -- according to the filing, Musk helped advise on key employee recruitment, introductions with business contacts and startup advice. If this sounds familiar, it's because the lawsuit dates back to March 2024.


You've Never Heard of China's Greatest Sci-Fi Novel

WIRED

You've Never Heard of China's Greatest Sci-Fi Novel Thousands of authors. is barely known outside China--but it contains the secret to the country's modernization and malaise. Ma Qianzhu was unsatisfied with Chinese progress. An engineer at a large state-owned enterprise, he belonged to a generation that grew up believing engineering is destiny, that China's future would be built, bolt by bolt, by people like him. Then Ma discovered something extraordinary: a wormhole to the late Ming Dynasty. With more than 500 peers, he commandeered a ship and traveled back in time 400 years, to a preindustrial China wracked by foreign invasion and internal decay. Their mission: trigger an industrial revolution in the past that would, in the future, make modern China great (again).


AI 'reveals' the most racist towns in the UK - and claims Burnley, Bradford and Belfast are at the top of the list

Daily Mail - Science & tech

Idyllic city was hit by a surge in cancers and miscarriages when Trump's'beautiful baby' arrived. Dark side of America's favorite vacation hotspot... where women are subjected to the most horrific sex attacks imaginable White House renovation to include'secure underground facility' underneath Trump's new East Wing Notorious clip of stony-faced Nicola Peltz being pulled into a Beckham family picture goes viral after her husband Brooklyn's explosive online statement Disturbing video appears to show former Disney star shoving his ex-fiancée after'hammer threat'... as Matt Prokop is arrested for child pornography Stephen Miller orders local law enforcement in Minnesota to'stand down and surrender' amid ICE protests Moment Sydney Sweeney's brother is caught remonstrating with anti-Trump demonstrators as rumours swirl about the family's MAGA leanings - and now the actress Hollywood loves to hate may have even more flak coming her way Joseph Gordon-Levitt was the hottest actor in Hollywood... then vanished: Unearthing family tragedy that sparked disappearance and has left'lasting' scars Denmark sends'substantial contribution' of troops to Greenland amid growing tension with US as Trump refuses to rule out invasion I thought I'd seen it all, but this took my breath away: JANA HOCKING reveals the'miraculous' move that will whip you and your sex life into shape I interviewed Joe Rogan's'worst guest ever'... then a controversial question stopped everything Knott's Berry Farm thrill seeker taught painful lesson after trying to cut line at crowded theme park'Mickey' hitmaker Toni Basil looks incredible at 82 - see her now A new biggest-ever Buc-ee's is opening soon and it's not in its home state of Texas Clearest signal yet Democrat is set to run in 2028 as Trump's private flattery is revealed AI'reveals' the most racist towns in the UK - and claims Burnley, Bradford and Belfast are at the top of the list READ MORE: Is AI making us STUPID? Daily Mail's Wellness Explained examines AI has'revealed' the most racist towns and cities in the UK. Researchers from the University of Oxford asked ChatGPT a whopping 20.3 million questions to understand biases in the AI's representation of countries, states, cities, and neighbourhoods around the world. When asked which UK towns and cities are the most racist, ChatGPT claims that Burnley tops the list.


Chris Pratt on new film Mercy: I asked to be locked into an executioner's chair

BBC News

Chris Pratt on new film Mercy: I asked to be locked into an executioner's chair Being locked barefoot in an executioner's chair sounds uncomfortable, but that is what Chris Pratt requested for his latest film, Mercy. More familiar as a wisecracking action hero in blockbusters like Guardians of the Galaxy and Jurassic World, this role is quite a departure for him. He plays homicide detective Chris Raven, who's fighting for his life after being accused of murdering his wife. Raven is an alcoholic who wakes in the chair after a drinking binge, with just 90 minutes to convince an AI judge he's innocent, or he'll be executed immediately. The film is set in real time, so we see Raven defend his case - while enduring a crashing hangover.


The Download: the US digital rights crackdown, and AI companionship

MIT Technology Review

What it's like to be banned from the US for fighting online hate Just before Christmas the Trump administration dramatically escalated its war on digital rights by banning five people from entering the US. One of them, Josephine Ballon, is a director of HateAid, a small German nonprofit founded to support the victims of online harassment and violence. The organization is a strong advocate of EU tech regulations, and so finds itself attacked in campaigns from right-wing politicians and provocateurs who claim that it engages in censorship. EU officials, freedom of speech experts, and the five people targeted all flatly reject these accusations. Ballon told us that their work is fundamentally about making people feel safer online. But their experiences over the past few weeks show just how politicized and besieged their work in online safety has become.


Viral protest video against Iran's supreme leader sparks copycat demonstrations worldwide

FOX News

Iranian refugee' viral video shows woman lighting cigarette with burning image of Ayatollah Ali Khamenei, sparking global protests as Trump weighs military action.