User Ira Gessel - MathOverflow

Ira Gessel

Member for 14 years, 1 month
Last seen this week

Brandeis University, Waltham, MA, United States

191 Answers

Score Activity Newest

1 vote

A list of symmetric statistics

answered Jul 4, 2012 at 16:27

1 vote

Accepted

Number of Ordered Trees of given degree sequence

answered Mar 19, 2012 at 20:37

1 vote

Analytic continuation of $_4F_3(1)$

answered Jan 4, 2011 at 20:50

1 vote

Closed form of $ \sum_{i=1}^{n-k} {n-1-i\choose k-1}i^a + \sum_{i=1}^k {n-1-i\choose n-1-k}$

answered Jun 15, 2021 at 2:05

1 vote

Closed form for binomial coefficient sum

answered Nov 16, 2020 at 23:31

1 vote

Longest increasing subsequence as measure of randomness

answered Apr 15, 2022 at 16:34

1 vote

Evaluating a sinusoidal series

answered Oct 21, 2023 at 4:05

1 vote

On the arithmetic of powers of subseries of the exponential series

answered Jul 29 at 15:32

0 votes

Second order recurrence relation for third order polynomial root

answered Mar 7, 2023 at 4:47

0 votes

Generalization of permanent definition based on number of permutation cycles

answered Mar 10, 2021 at 7:23

0 votes

Does the notion of graphs with vertex multiplicity exist?

answered Sep 18, 2013 at 13:23

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