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Mathematics
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duck
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answer
4
A recurrence Relations problem that I found in a manga
Jun 10, 2023
answer
3
A hard functional equation question involving bijection
Jul 6, 2022
answer
3
How to show a maximum function is convex?
Oct 20
answer
2
Expected number of tosses for a biased coin with Markov chain
Sep 9, 2021
answer
2
prove that the number $n^2 + n + 1$, for natural number $n$ cannot be written as product of numbers whose difference is less than $2 \sqrt{n}$
Jun 4, 2023
answer
2
Linear algebra matrix series question about trace
Oct 25, 2023
answer
2
Prove that every subspace of $V$ of dimension $n - 1$ is orthogonal to some vector in V using the dimension theorem
Oct 25, 2023
answer
2
Proving the sum of the degrees of a graph is 2e formalization
Dec 2
question
1
Polarization identity for normed space satisfying Ptolemy's inequality
Jul 6, 2023
answer
1
Can a series be partially rearranged if it contains an absolute convergent series?
Jul 5, 2022