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0 votes
2 answers
77 views

Partitioning evens as sum of evens

Take the set $\{a_1,a_2,a_3,a_4,a_5,a_6,a_7,a_8\}$. We can partition according to rules. Every member in the partition has even number of elements. Every member in partition have to be consecutive. ...
VS.'s user avatar
  • 123
2 votes
1 answer
87 views

A question on an identity involving partition

Let $n$ be a natural number. Let $\lambda \mapsto n$ , be a partition of n. So $\lambda=(\lambda_1, \lambda_2, \ldots ,\lambda_k)$, with $\lambda_1\leq \ldots \leq \lambda_k$, and $\sum_{i=1}^k \...
Riju's user avatar
  • 4,135
1 vote
0 answers
71 views

Why is the ladder tableau of an $e$-restricted partition $e$-restricted?

Lemma 3.40 on page 46 in Mathas's "Iwahori-Hecke Algebras and the Symmetric Group" states Suppose that $\lambda$ is an $e$-restricted partition of $n$. Then the ladder tableau $\mathfrak{l}_e^\...
Camilla Vaernes's user avatar
1 vote
1 answer
125 views

How many solutions of equation

How many solutions of equation $x_1+x_2+x_3+x_4=n$ in $N_0$ such that $x_1\leq x_2\leq x_3 \leq x_4$? I found solutions of $x_1+x_2+x_3=n$ in $N_0$ , $x_1\leq x_2\leq x_3 $ in the following way : ...
JJMM's user avatar
  • 153
5 votes
0 answers
284 views

On Applications of the Murnaghan-Nakayama rule

The question is located below. In short, I am looking for an accessible explanation of the Murnaghan-Nakayama rule in relation to the following problem. Pardon the long setup. Let $Y$ be a standard ...
Alex R.'s user avatar
  • 32.9k
15 votes
2 answers
373 views

A question on partitions of n

Let $P$ be the set of partitions of $n$. Let $\lambda$ denote the shape of a particular partition. Let $f_\lambda(i)$ be the frequency of $i$ in $\lambda$ and let $a_\lambda(i) := \# \lbrace j : f_\...
ReasonWheel's user avatar