AI just disproved an 80-year-old Erdős math conjecture, verified by a Fields Medalist — but OpenAI's last "Erdős breakthrough" claim was debunked. Real progress or hype cycle?
In May 2026, an OpenAI model made an unexpected cross-disciplinary leap: it linked a 1946 Erdős geometry puzzle (how many pairs of points on a plane can sit exactly one unit apart) to a completely unrelated 1964 algebraic number theory result, and used that connection to construct point arrangements beating every approach mathematicians had tried in 80 years — disproving Erdős's conjecture. Nine mathematicians, including Fields Medalist Tim Gowers, reviewed and confirmed the core ideas, calling it "a milestone in AI mathematics." One day later, Google DeepMind's AlphaProof Nexus independently solved nine more open Erdős problems using Lean, a system that checks proofs line by line rather than relying on a human reading them over. The catch: this isn't the first "AI cracks Erdős problems" headline. In October 2025, an earlier OpenAI claim of solving ten Erdős problems was thoroughly debunked by the math community. This time, unlike last time, independent mathematicians verified the work before it was announced.
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Prime Numbers from previous Prime Numbers : r/math Skip to main contentPrime Numbers from previous Prime Numbers : r/math Open menu Open navigationGo to Reddit Home r/math A chip A close button Log InLog in to Reddit Expand user menu Open settings menu This subreddit is for di...
Title: Gerd Faltings wins the 2026 Abel Prize! : r/math # Gerd Faltings wins the 2026 Abel Prize! Skip to main contentGerd Faltings wins the 2026 Abel Prize! Open menu Open navigationGo to Reddit Home. Get App Get the Reddit app Log InLog in to Reddit. Expand user menu Open se...
The Mandela Effect: why do thousands of strangers share the exact same false memory?
Quick test: does the Monopoly Man wear a monocle? Is it the "Berenstein Bears" or the "Berenstain Bears"? Did Darth Vader ever actually say "Luke, I am your father"? If you answered wrong on any of those, you're not alone — millions of people confidently misremember the same details, right down to the spelling. This phenomenon got its name in 2009 when researcher Fiona Broome realized she — and thousands of others online — clearly remembered Nelson Mandela dying in prison in the 1980s. He hadn't. He was released in 1990 and lived until 2013.
What makes the Mandela Effect genuinely unsettling isn't that people forget things — it's that totally unconnected strangers converge on the exact same wrong memory, often with vivid confidence. Psychologists mostly chalk it up to how memory actually works: brains don't record events like a camera, they reconstruct them from fragments, filling gaps with whatever "feels" plausible. But a small, persistent internet subculture insists the consistency is too precise for a simple glitch in the brain, and reaches for a much stranger explanation instead.
🏆 Leading: The explanations feel a little too convenient. Sure, "brains reconstruct memories" sounds tidy — but it doesn't actually explain why specific, oddly detailed memories converge across millions of strangers who never spoke to each other, span different countries and generations, and in some cases predate the internet making cross-contamination easy. People don't just vaguely misremember the Monopoly Man — they describe exactly where the monocle sat and which eye. That's a strange amount of shared specificity for something psychology treats as a footnote.No study has definitively resolved why particular false memories cluster so precisely rather than being randomly distributed noise, the way you'd expect from ordinary forgetting. Researchers can point to mechanisms — schema theory, the misinformation effect — without actually explaining why the errors pile up on the same handful of details worldwide, independently, instead of scattering evenly. Calling that "solved" feels premature. Something about how collective memory forms in the internet age is clearly still not fully mapped. (38%)
🥈 Some people take this all the way seriously, and while it sounds like science fiction, the argument isn't as easy to laugh off as it first appears. The idea: reality occasionally "branches" or overlaps with a near-identical parallel timeline, and the shift leaves behind residue — people who "remember" the version of events from the timeline we apparently left. Proponents point to physics concepts like the many-worlds interpretation of quantum mechanics, where every possible outcome technically happens somewhere, as a legitimate framework rather than just a metaphor borrowed for spooky internet threads.Nobody serious claims this is proven — it's a minority, largely unfalsifiable position that mainstream physicists reject as a misapplication of quantum theory to macroscopic memory. But its defenders ask a fair question back: why does this specific explanation keep resurfacing independently across cultures and decades, long before "multiverse" was a pop-culture buzzword? Coincidence, or a genuinely strange thread worth pulling on rather than dismissing outright? (38%)
🥉 Human memory isn't a recording, it's a reconstruction. Every time you recall something, your brain doesn't hit "play" on a stored video — it rebuilds the memory from scattered fragments, filling in blanks with whatever fits best. That's why "Berenstain" reads as wrong to so many people: "-stein" is a far more common English suffix, so brains quietly autocorrect toward the familiar pattern without you ever noticing the swap. The same goes for the Monopoly Man never having worn a monocle — he shares a mustache and top hat with caricatures like Mr. Peanut, who does wear one, and the memories blur together.This isn't some obscure fringe idea — it's textbook cognitive psychology, backed by decades of research on false memory, schema theory, and the well-documented Misinformation Effect, where even a single suggestive question can implant a memory of something that never happened. Large groups of people making the identical mental shortcut isn't mysterious — it's exactly what you'd predict once you understand how memory quietly optimizes for familiar patterns over literal accuracy. (23%)⚖️ Split decision🌍 🇨🇳 China
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Why is it called the Mandela effect? What is the origin of the Mandela effect? As long as you keep the Mandela Effect grounded in reality as strictly a false memory shared by the general public, it does seem to be valid. As long as you keep the Mandela Effect grounded in reali...
If the Mandela Effect were Real, Why Do Some People Remember the Original Timeline and Other People Don't? If one treats the question hypothetically (“if the Mandela Effect were real” meaning genuine alternate timelines or reality shifts), the observed pattern (some remember t...