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Posts tagged combinatorics

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9 posts
Tag Only Tag + Children
66%
+2 −0
Q&A Do the Faber partition polynomials have integer coefficients?

1 answer  ·  posted 2d ago by Peter Taylor‭  ·  last activity 2d ago by Peter Taylor‭

Question combinatorics generating-functions polynomials
33%
+0 −2
Q&A How to intuit, construe multiplicands and multiplicators $\le 10$ resulting from $\dbinom pc$, WITHOUT division or factorials? [duplicate]

0 answers  ·  posted 5mo ago by DNB‭  ·  edited 5mo ago by DNB‭

Question combinatorics
40%
+0 −1
Q&A To correct for overcounting, why can't we divide by the sum of the over-counts? [duplicate]

0 answers  ·  posted 5mo ago by DNB‭  ·  closed as duplicate 5mo ago by Peter Taylor‭

Question combinatorics
60%
+1 −0
Q&A How's it possible to arrange 0 objects? How can 0! = 1?

3 answers  ·  posted 6mo ago by DNB‭  ·  edited 6mo ago by Quintec‭

Question combinatorics
40%
+0 −1
Q&A Can the bijection for the Lost Boarding Pass Probability Problem, be formulated or pictured?

1 answer  ·  posted 8mo ago by DNB‭  ·  last activity 8mo ago by r~~‭

Question combinatorics
71%
+3 −0
Q&A What does the distribution of a strictly increasing random walk look like if you stop at `N` steps?

0 answers  ·  posted 8mo ago by SherlockSage‭  ·  edited 8mo ago by SherlockSage‭

Question combinatorics
66%
+2 −0
Q&A $\sum_{k=0}^{n} \binom{n}{k}=2^{n} \overset{?}{\iff} \sum_{k=0}^{n} \binom{2n+1}{k}=2^{2n}$

1 answer  ·  posted 12mo ago by DNB‭  ·  edited 12mo ago by DNB‭

Question combinatorics
33%
+0 −2
Q&A What's the bijection between Stars and Bars and Integer Solutions to an Equality?

0 answers  ·  posted 12mo ago by DNB‭

Question combinatorics
28%
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Q&A Are Stars and Bars in Combinatorics related to the Fence Post Error?

0 answers  ·  posted 12mo ago by DNB‭

Question combinatorics
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Q&A — Do the Faber partition polynomials have integer coefficients?

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