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Alexander Burstein's user avatar
Alexander Burstein's user avatar
Alexander Burstein's user avatar
Alexander Burstein
  • Member for 7 years, 4 months
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About

Professor at the Department of Mathematics at Howard University. Interested in enumerative combinatorics, especially permutation patterns and permutation statistics.

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Top posts
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question
18
A combinatorial interpretation for $n$-ary trees for negative $n$
Feb 27, 2023
question
11
Proofs of some combinatorial identities
Oct 1, 2017
question
10
A bijective proof for the odd companion to Shapiro's Catalan convolution
Apr 30, 2021
question
9
Involutions in $\mathbb{F}_p[[x]]$
May 5, 2019
question
7
Result attribution for eigenvalues of a matrix of Pascal-type
Aug 10, 2017
answer
7
Generating function in graph theory
Dec 5, 2017
answer
7
Number of binary arrays of length n with k consecutive 1's
Dec 12, 2017
question
6
Direct bijections for $s,t$-Fibonomial identities
Jan 10, 2018
question
6
Maximizing a sum minus its maximal summand
Nov 10, 2023
answer
5
Estimation of a combinatorial sum when $n$ is large
Nov 9, 2017
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33
Math Olympiad Problem - Fraction sequences
12
Evaluate $ \lim_{n \to \infty} \sin^n\left(\frac{2\pi n}{3n+1}\right)$
12
Value of $\displaystyle \frac{p}{q}$ in binomial expression.
10
Is this a new discovery in the diagonals of Pascal's triangle?
8
How many times do you have to use L'Hôpital's rule?