Question

Let n ≥ 2. Show that exactly half of the permutations in Sn are even ,...

Let n ≥ 2. Show that exactly half of the permutations in Sn are even , by finding a bijection from the set of all even permutations in Sn to the set of all odd permutations in Sn.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose that the set An has all the even permutations in n-permutations. Prove that this set...
Suppose that the set An has all the even permutations in n-permutations. Prove that this set is the same as [a set consisting of cyclic permutations of length 3 and their products].
Define sequences (sn) and (tn) as follows: if n is even, sn=n and tn=1/n if n...
Define sequences (sn) and (tn) as follows: if n is even, sn=n and tn=1/n if n is odd, sn=1/n and tn=n, Prove that both (sn) and (tn) have convergent subsequences, but that (sn+tn) does not
Let H ={σ∈Sn |σ(n) = n}. Show that H ≤ Sn and H∼= Sn-1.
Let H ={σ∈Sn |σ(n) = n}. Show that H ≤ Sn and H∼= Sn-1.
Let s1 := 1 and Sn+1 := 1 + 1/sN n element N Show that (Sn)...
Let s1 := 1 and Sn+1 := 1 + 1/sN n element N Show that (Sn) has limit L and that l can be explicitly computed. What is the limit?
(a) Let N be an even integer, prove that GCD (N + 2, N) = 2....
(a) Let N be an even integer, prove that GCD (N + 2, N) = 2. (b) What’s the GCD (N + 2, N) if N is an odd integer?
If kr<=n, where 1<r<=n. Prove that the number of permutations α ϵ Sn, where α is...
If kr<=n, where 1<r<=n. Prove that the number of permutations α ϵ Sn, where α is a product of k disjoint r-cycles is (1/k!)(1/r^k)[n(n-1)(n-2)...(n-kr+1)]
Let S_n be the collection of permutations on {1,2,...,n}. Consider the cycle s=(1,2,...,n) and consider the...
Let S_n be the collection of permutations on {1,2,...,n}. Consider the cycle s=(1,2,...,n) and consider the cyclic group generate by s, denoted <s>. Prove that the set all t in S_n such that ts=st, is just the set <s>
Show that Sn = <(1, 2), (1, 2 , ..., n)>
Show that Sn = <(1, 2), (1, 2 , ..., n)>
Show that if G is a subgroup of Sn and |G| is odd, then G is...
Show that if G is a subgroup of Sn and |G| is odd, then G is a subgroup of An, given n≥2
If sn = 1+ 1/2 + 1/3 + 1/4 +···+ 1/n show that S 2^n ≥...
If sn = 1+ 1/2 + 1/3 + 1/4 +···+ 1/n show that S 2^n ≥ 1+n/2 for all n. Elementary Real Analysis
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT