There have been a number of Scientific discoveries that seemed to be purely scientific curiosities that later turned out to be incredibly useful. Hertz famously commented about the discovery of radio waves: “I do not think that the wireless waves I have discovered will have any practical application.”
Are there examples like this in math as well? What is the most interesting “pure math” discovery that proved to be useful in solving a real-world problem?
It’s funny that you’re saying this is “actively suppressed” while not naming this field or providing links for further readings.
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The phrase “donut mathematics” was not in your earlier comment. You literally did not name it.