Daunting papers/books and how to read them(mathoverflow.net)73 points by todsacerdoti 2 years ago | 25 comments
Why don't we define “imaginary” numbers for every “impossibility”? (2012)(math.stackexchange.com)98 points by curling_grad 3 years ago | 74 comments
Widely accepted mathematical results that were later shown to be wrong? (2010)(mathoverflow.net)92 points by belter 3 years ago | 32 comments
Is infinity an odd or even number? (2011)(math.stackexchange.com)192 points by layer8 3 years ago | 333 comments
Why is division so much more complex than other arithmetic operations?(scicomp.stackexchange.com)76 points by rongenre 3 years ago | 59 comments
