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Mathematics
Sparkles the unicorn's user avatar
Sparkles the unicorn's user avatar
Sparkles the unicorn's user avatar
Sparkles the unicorn
  • Member for 5 years, 3 months
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question
7
How do you determine the characteristic polynomial of a permutation matrix based on the cycle type of the corresponding permutation??
Jun 18, 2019
question
4
Suppose $\emptyset\neq H\subseteq G$ and if $a, b\in H$, then $a^{-1}b^{-1}\in H$. Prove or disprove that $H \leq G$.
Feb 5, 2020
question
3
Divisibility Trick for 11
Mar 5, 2020
question
2
If $a \in G$, is the centralizer of $a$, $C(a)$, always nonempty?
Feb 16, 2020
question
2
Turan Construction - Ramsey Theory [duplicate]
Apr 19, 2021
question
1
If two sets have the same cardinality and there is a one-to-one mapping, then is the mapping automatically also onto? [closed]
Apr 26, 2020
answer
1
How many students achieved a higher mark?
Jan 28, 2020
question
0
What is the difference between the two following arrows $\mapsto$ and $\to$? [duplicate]
Jun 25, 2019
question
0
Do permutations and their inverses always have the same cycle type?
Jun 26, 2019
question
0
How to prove that $P(A \cap B) \leq P(A) + P(B)$ using $P(A \cup B) = P(A) + P(B) - P(A \cap B)$
Jan 21, 2020