User John - Mathematics Meta Stack Exchange

John

Member for 6 years, 2 months
Last seen more than 3 years ago

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15

What is a subsequence in calculus?

10

What is melting? Which bonds do we break to melt something?

8

If $A$ is an $n$ by $n$ integer matrix such that $A^3 = I$, then $\operatorname{tr}(A) = n\mod3$

7

How to solve a system of linear equations modulo n?

7

Prove that $tr(A)^p = tr(A^p)\bmod p$ where $A$ is a square integer matrix and $p$ is a prime number.