Skip to main content

All Questions

0 votes
0 answers
28 views

Number of partitions with limited cardinality [duplicate]

We are given $k$ urns labeled from $1$ to $k$. What is the number of ways to put $n$ indistinguishable balls into the $k$ (distinct) urns, given that each urn has a limited capacity equal to $c$, ...
Let101's user avatar
  • 149
2 votes
2 answers
272 views

Find a bijection between the $(n-1)$ paths and the $n$-paths which have no downramps of even length.

So here is the Question :- A Dyck $n$-path is a lattice path of n upsteps $(x,y)$ $\rightarrow$ $(x + 1,y + 1)$ and $n$ downsteps $(x,y) \rightarrow (x + 1,y-1)$ that starts at the origin and never ...
Maths-Lover's user avatar
3 votes
2 answers
241 views

Ways of distributing passengers in ships

I need help with the following combinatorial problem. There are $ K $ passengers and $ K $ ships. The passengers are denoted by $ U_1, U_2, \dots, U_K $. The objective is to find in how many ways the $...
Duns's user avatar
  • 778
0 votes
1 answer
126 views

What is the appropriate weight ($W_k$) (for two arbitrary partitions)?

I already asked a similar question, And from the answer I received, another question came to my mind. A positive integer can be partitioned, for example, the number 7 can be partitioned into the ...
Richard's user avatar
  • 41
3 votes
1 answer
67 views

Is this true for every partitioning?

I have two categories (category1 and category2 ) and The size of both categories is equal to each other. if we partition each categories arbibtrary .Is this proposition proven? or rejected? $n_T \...
Richard's user avatar
  • 41