Few stories in the world of mathematics are as inspiring and groundbreaking as that of Wu Meng, a rising star who has recently made headlines by returning to China after achieving remarkable success in Finland. His journey highlights how perseverance and brilliance can lead to significant breakthroughs in scientific understanding. But here’s where it gets truly intriguing, especially for those new to the subject—Wu Meng’s most notable achievement revolves around a century-old mathematical puzzle that remained unresolved for decades.
Back in the 1960s, a prominent mathematician named Hillel Furstenberg introduced a bold and thought-provoking conjecture. The core idea: a single number cannot exhibit what we might call 'simple and highly regular' patterns when viewed through two different 'independent' mathematical lenses simultaneously. To put it plainly, if you express a number in binary form—using only 0s and 1s—the sequence that results might look fairly straightforward and orderly. However, if you rewrite that same number in ternary form—using base 3, with digits 0, 1, and 2—the sequence is almost certainly going to become more intricate and less predictable.
This conjecture appears intuitive at first glance. Naturally, many would assume that changing the method of representation increases complexity, and that a number’s behavior under various bases can’t be too 'regular' across different systems. Yet, despite its apparent simplicity, the part of Furstenberg’s conjecture that deals with the intersection—or overlaps—of these sets proved surprisingly resistant to proof for over 50 years. It was a puzzle that challenged even the brightest mathematicians.
Finally, in 2019, a breakthrough was achieved—thanks to the extraordinary work of Wu Meng, who at the time was serving as an associate professor at the University of Oulu, one of Finland’s most respected institutions. Wu Meng cracked the longstanding problem, providing the missing piece to an intellectual puzzle that had confounded scholars for decades. His proof was so comprehensive and important that he published it in the prestigious Annals of Mathematics, a journal renowned worldwide for featuring groundbreaking mathematical research. Wu’s achievement was not only a matter of pride for China but also earned him the prestigious 2023 Best Paper Award at the International Congress of Chinese Mathematicians.
And this is the part most people miss—how a seemingly abstract mathematical problem encapsulates complex ideas about randomness, regularity, and the very nature of numbers themselves. Wu Meng’s success demonstrates that even the most elusive mysteries in mathematics can be unraveled with persistence and innovative thinking. But here’s a question to ponder: Do you believe similar approaches can be applied to solve other longstanding problems in science and mathematics? Or do you think some mysteries are destined to remain forever elusive? Feel free to share your thoughts and engage in the discussion.