New posts in permutations

At what rate does the entropy of shuffled cards converge?

probability permutations entropy card-games

Mysterious Characterization of $A_5$ inside $S_5$

abstract-algebra combinatorics group-theory finite-groups permutations

Conjugacy classes in $A_n$.

group-theory permutations

In how many ways can the word MATHEMATICS be partitioned?

combinatorics permutations combinations

Normal subgroups of $S_n$ for $n\geq 5$.

abstract-algebra group-theory solution-verification permutations symmetric-groups

Expected Value of Local Maxima and Local Minima

probability probability-theory discrete-mathematics permutations random-variables

The best $n$-digit password?

combinatorics permutations combinations

How can I show/understand a graph is vertex-transitive?

linear-algebra abstract-algebra combinatorics graph-theory permutations

How many $n\times m$ binary matrices are there, up to row and column permutations?

linear-algebra combinatorics matrices permutations

Classification of triply transitive finite groups

group-theory finite-groups permutations

Finding the order of permutations in $S_8$

abstract-algebra permutations

In how many ways can 20 identical balls be distributed into 4 distinct boxes subject?

probability combinatorics statistics permutations

What is the inverse cycle of permutation?

permutations

Does the concept of permutation make sense for a set indexed by the real numbers?

permutations real-numbers

4-digit password with unique digits not in ascending or descending order

combinatorics discrete-mathematics permutations

In how many of the integer numbers between 0 and 10,000 does the digit 3 appear to the left of 4

permutations

Help deriving that $\mathrm{sign} : S_n\to \{\pm 1\}$ is multiplicative

group-theory permutations determinant symmetric-groups multilinear-algebra

Shortest sequence containing all permutations

combinatorics sequences-and-series permutations

Find the probability that at least two people out of $k$ people will have the same birthday

probability solution-verification permutations birthday

How many distinct subgroups does the symmetric group $S_3$ have?

group-theory permutations symmetric-groups