All Questions
3
questions
1
vote
0
answers
43
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Systematic vertex information about finite Young's lattice
Suppose that I have Young's lattice $Y_{\mu}$ (finite sublattice for everything included in $\mu$). See the red area in the linked picture I found online where $\mu=[22]$ and note that the arrows ...
- 21
1
vote
1
answer
77
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Generating functions (with symbol method) of special partitions of natural numbers
I want to show that the generating function of the number of partitions where every summand appears at most twice of every natural number n equals the number of paritions of n into summands which are ...
- 599
3
votes
2
answers
483
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Solving combinatorial problems with symbolic method and generating functions
I am trying to solve the following problems:
a) Let $\mathcal{F}$ be the family of all finite 0-1-sequences that have no 1s directly behind each other. Let the weight of each sequence be its length. ...
- 599