Rational or Not? This Basic Math Question Took Decades To Answer.
Three mathematicians have developed a breakthrough method for proving whether numbers can be written as fractions, solving a problem that has puzzled researchers for decades. Frank Calegari, Vesselin Dimitrov and Yunqing Tang proved the irrationality of an infinite collection of numbers related to the Riemann zeta function, building on Roger Apery's landmark 1978 proof about a single such number.
The new approach, which relies on 19th-century mathematical techniques, has already helped settle a 50-year-old conjecture about modular forms and could lead to more advances in number theory.
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Charity shares harrowing photos of animals injured in devastating LA wildfires - as deer, dogs and cats are rescued while owners desperately search for their missing pets
Pasadena Humane - an LA-based animal shelter - said it has taken in over 300 animals due to evacuations, while its staff and volunteers are 'working nonstop' to help with their care.
'She's lost the plot': Cabinet alarm over Labour's market chaos with Rachel Reeves warned she is in 'make-or-break territory'… as Chancellor defies backlash to head for China
Chancellor Rachel Reeves is en route to Beijing despite demands to cancel the trip and deal with mounting pressure on the UK's fiscal position.
Caroline Flack documentary confirmed by Disney+ as mum Christine will 'search for answers' surrounding her tragic death - amid rift with the late TV star's best friend Lou Teasdale
It's been five years since TV star tragically took her own life aged 40, amid a looming court case after allegedly hitting boyfriend Lewis Burton with a lamp.
How Rachel Reeves' debt 'nightmare' has chilling echoes of 1976 when Britain was the 'sick man of Europe' with an economy in crisis that forced it to go 'cap in hand' for £2.3bn bailout
Such is the extent of Britain's current economic troubles, Chancellor Rachel Reeves ' plight has been compared to that of her 1970s predecessor Denis Healey.
ABC News insiders make shocking claims about David Muir after LA fires jacket gaffe
Sources at ABC News have now alleged the network is 'embarrassed and horrified' by Muir's gaffe, with several insiders telling Page Six that the 'narcissistic' move is typical of the anchor.
Gavin Newsom's shocking reaction to woman who chased him down to demanding wildfire answers
The California Governor apologized and claimed to be trying to reach the president on the phone when he was accosted by the emotional woman.
LA fires double tragedy after amputee dad tried to wait for ambulance for disabled son: Latest victims named
Anthony Mitchell, 67, was found by the side of his son Justin, who was in his early 20s and suffered cerebral palsy, in Altadena, as his family said he 'was not going to leave his son behind, no matter what.'
Woman dies after fatal crash in Enfield on New Year's Eve as police arrest man for dangerous driving
The woman, a pedestrian, sadly died at the scene
India's Payments Push is Cutting Out Visa and Mastercard
India's homegrown digital payments ecosystem, anchored by two systems, is challenging Visa and Mastercard's dominance in the world's most populous nation. The backbone is UPI, a nine-year-old bank-to-bank payment network that processes over 13 billion monthly transactions through QR codes and phone numbers, accounting for 71% of all transactions and 36% of consumer spending, according to Bernstein.
RuPay, India's domestic card network, has leveraged its exclusive right to process credit card transactions through UPI to double its volume to $7.43 billion in fiscal 2025's first seven months. It now represents 28% of credit card transactions, up from 10% last year. Small merchants are adopting the system as RuPay only charges fees on transactions above $23.3. India's central bank has also mandated banks let customers choose their card network, ending exclusive deals with global providers.
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Coleen Rooney bundles up in an oversized coat and her I'm A Celebrity jungle boots as she braves the snow ahead of her morning workout
The WAG, 37, kept warm with a cosy white oversized Dry Robe coat layered over a black jumper and some thick black gym leggings.
Cancer at 35: I started getting an annoying bout of the hiccups when I ate - now I've been given just over a year to live
A 35-year-old father-of-two from Melbourne, has been dealt a heartbreaking diagnosis of stage 4 oesophageal cancer - with doctors estimating he has just 14 months to live.
Doorman sent his friend to work his job at Essex venue
He sent his friend to work on his behalf in Essex
Richard Hammond's wife Mindy fails to hide her irritation at her husband in hilarious resurfaced sketch as couple announce split after 28-year marriage
A resurfaced sketch has shown Richard Hammond's wife Mindy becoming increasingly frustrated at her husband after the couple announced their split on Thursday.
'What has Elon Musk got against Stacey Solomon?' X users complain about feeds being flooded by posts with fake news stories about the 'end of the TV star's career
The 35-year-old UK TV personality and singer is going from strength to strength, but you wouldn't know it from the wave of incorrect claims about her on the social media site.
The North Korean soldiers used as 'human mine detectors' in Putin's war: Kim Jong-un's troops deploy single-file battlefield death march until they are blown up one after the other - with 4,000 lost in Kursk meat grinder
The soldiers are deployed across a battlefield until they are blown up one after another, according to Lieutenant Colonel 'Leopard' of Ukraine's 33rd 'Big Cats' battalion.
How many times it's normal to get up in the night to pee, according to your age
About 70 per cent of people over the age of 70 have nocturia - the need to go to the toilet in the middle of the night. But when is it a sign of something more serious?
RuPaul makes his first public statement since The Vivienne's tragic death as he pays tribute to the entertainer who was 'all about love' while opening DragCon London - as fans honour the star with memorial
The RuPaul's Drag Race UK winner's death last week at the age of 32 has plunged the drag community into mourning.
Keir Starmer shares toe-curling 'bromance' video of him giving Emmanuel Macron a guided tour of Chequers - including Churchill's chair - as they vow 'unity' ahead of Donald Trump's return
In a social media video shared by Sir Keir, the two leaders were shown man-hugging, back-slapping and hand-shaking as they held talks at Chequers.
Secretary sues employer over claims she was fired for 'whistleblowing' about office canteen serving 'mouldy cheese in her jacket potato'
Marie Wright, who was employed at SFE Chetwode in Melton Mowbray, alleges she was fired for 'whistleblowing' about the 'microbiological safety of food' being served in the staff canteen.