User Ryan - MathOverflow Meta

Ryan

Member for 5 years, 1 month
Last seen more than 4 years ago

USA

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I like math (◕‿◕)

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Jul 10, 2020

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15

Can all squares in a free group be made from squares in the free monoid?

9

The math behind Warren Buffett's famous rule – never lose money

6

For any $2$ x $2$ matrix $A$, does there always exist a $2$ x $2$ matrix $B$ such that det($A+B$) = det($A$) + det($B$)?

5

Is there a graph without a $K_5$ minor that has a chromatic number of $5$?

5

Incomprehensible induction from Johnsonbaugh's book.