Alexander Burstein

 7 Number of binary arrays of length n with k consecutive 1's 7 Generating function in graph theory 5 Estimation of a combinatorial sum when $n$ is large 3 Combinatorial sequences whose ratios $a_{n+1}/a_{n}$ are integers 1 An elementary question about integration by parts!

### Reputation (691)

 +10 Result attribution for eigenvalues of a matrix of Pascal-type +40 Number of binary arrays of length n with k consecutive 1's +90 Involutions in $\mathbb{F}_p[[x]]$ +10 Generating function in graph theory

### Questions (5)

 10 Proofs of some combinatorial identities 9 Involutions in $\mathbb{F}_p[[x]]$ 6 Direct bijections for $s,t$-Fibonomial identities 6 Result attribution for eigenvalues of a matrix of Pascal-type 3 Two game-set inequalities

### Tags (19)

 15 co.combinatorics × 7 5 sequences-and-series 7 enumerative-combinatorics × 3 1 ca.classical-analysis-and-odes 7 generating-functions × 2 1 real-analysis 7 graph-theory 1 differential-equations 5 binomial-coefficients 1 fa.functional-analysis

### Bookmarks (28)

 58 Does this geometry theorem have a name? 43 Relaxed Collatz 3x+1 conjecture 39 Good programs for drawing graphs ( directed weighted graphs ) 30 Combinatorial identity: $\sum_{i,j \ge 0} \binom{i+j}{i}^2 \binom{(a-i)+(b-j)}{a-i}^2=\frac{1}{2} \binom{(2a+1)+(2b+1)}{2a+1}$ 30 Mysterious symmetry - in search for a bijection

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 Yearling × 3 Nice Question Custodian Teacher Curious Commentator Citizen Patrol Scholar Critic Supporter

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