Top network posts

• 99 Free throw interview question
• 67 Past open problems with sudden and easy-to-understand solutions
• 31 Is every subgroup of a normal subgroup normal?
• 29 For integers $a\ge b\ge 2$, is $f(a,b) = a^b + b^a$ injective?
• 28 Can a number have infinitely many digits before the decimal point?
• 28 If an inequality is true for all natural numbers, is it necessarily true for all real numbers inbetween?
• 28 Demystifying modular forms
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