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New posts in permutations
What's the name of this quantity?
combinatorics
terminology
permutations
Number of permutations with restrictions
combinatorics
discrete-mathematics
permutations
A Proof of Correctness of Durstenfeld's Random Permutation Algorithm
probability
combinatorics
permutations
Probability that two random permutations of an $n$-set commute?
probability
group-theory
reference-request
permutations
To find the total no. of six digit numbers that can be formed having property that every succeeding digit is greater than preceding digit. [closed]
combinatorics
permutations
Finding the smallest set on which a group acts faithfully
combinatorics
group-theory
computational-complexity
permutations
Show that there is no subgroup of $S_n$ of order $(n-1)!/n$.
abstract-algebra
group-theory
permutations
symmetric-groups
Generating a random derangement
permutations
algorithms
derangements
Distinct permutations of the word "toffee"
permutations
How is $\mathrm{PGL}(V)$ a subgroup of $\mathrm{P\Gamma L}(V)$?
linear-algebra
abstract-algebra
group-theory
permutations
linear-groups
How to find the order of a Rubik's cube algorithm?
group-theory
permutations
rubiks-cube
Show that there exists a permutation satisfying a congruence equation.
elementary-number-theory
permutations
modular-arithmetic
Find the number of different colorings of the faces of the cube with 2 white, 1 black, 3 red faces?
abstract-algebra
combinatorics
permutations
polya-counting-theory
Equivalence of skew-symmetric matrices
linear-algebra
matrices
permutations
skew-symmetric-matrices
Permutation Representations and Group Actions
abstract-algebra
group-theory
permutations
How many solutions does the equation $\sum_{i=1}^{k}{x_i}=c$ have, given that the $x_i\in\mathbb{Z}$ and $0\leq x_i\leq d$?
combinatorics
discrete-mathematics
permutations
combinations
inclusion-exclusion
Two squares are chosen at random on a chessboard. What is the probability that they have a side in common?
probability
statistics
permutations
combinations
Finding a permutation, and number of, from powers of the permutation
abstract-algebra
group-theory
permutations
How many ways are there to fill up a $2n \times 2n$ matrix with $1, -1$?
combinatorics
permutations
combinations
Permutation - how to order 6 elements out of 13 with 3 conditions
combinatorics
permutations
combinations
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