User Christian Stump

16 votes

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A double grading of catalan numbers

answered May 27, 2013 at 15:17

15 votes

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A family of words counted by the Catalan numbers

answered May 24, 2013 at 19:54

13 votes

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Deligne's letter to Looijenga from 1974

answered Dec 15, 2012 at 12:03

11 votes

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Hyperplane arrangements whose regions all have the same shape

answered Nov 12, 2020 at 10:50

10 votes

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Natural bijection between Dyck paths and tilting modules

answered Apr 26, 2018 at 7:01

10 votes

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What does the $q$-Catalan Numbers count?

answered Apr 27, 2013 at 15:59

10 votes

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An introduction to Macdonald polynomials other (better?!) than SFHP

answered Sep 6, 2015 at 18:35

8 votes

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Databases for sequences indexed by partitions

answered Jul 4, 2013 at 12:02

8 votes

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Parking functions to non-crossing partitions

answered Apr 16, 2012 at 19:06

8 votes

Intuition behind Hook Length Formula

answered Oct 19, 2016 at 7:37

8 votes

Bijection directly from (n,n+1)-core partitions to parking functions?

answered May 30, 2017 at 6:25

7 votes

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References request: reflections in coxeter groups

answered Nov 29, 2016 at 15:37

7 votes

Examples of errors in computational combinatorics results

answered Jan 12, 2023 at 8:11

6 votes

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Elements of Coxeter group whose simple reflections pairwise commute

answered Mar 12, 2018 at 8:35

6 votes

A decomposition of $w_0$ which is similar to the reduced decomposition

answered Mar 17, 2016 at 11:59

6 votes

A list of symmetric statistics

answered Jul 4, 2012 at 4:55

6 votes

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Weighted Permutation Sum

answered Oct 6, 2015 at 16:37

5 votes

Klein's Protocols: A window into our mathematical past

answered Jun 13, 2012 at 16:46

5 votes

universality of Macdonald polynomials

answered Feb 11, 2012 at 20:07

5 votes

enumerative meaning of natural q-Catalan numbers

answered Apr 13, 2012 at 18:42

5 votes

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How many facets does the convex hull of all the roots of a root system have?

answered Jul 1, 2018 at 5:35

4 votes

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Alternating multisymmetric functions

answered May 17, 2017 at 9:26

4 votes

Characterizing posets by functions into natural numbers

answered Jul 19, 2012 at 7:43

4 votes

On determinants formed by binomial coefficients

answered Sep 24, 2015 at 20:59

4 votes

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Coxeter exchanges in non-reduced words

answered Nov 10, 2015 at 20:59

4 votes

Uniform proof that a finite (irreducible real) reflection group is determined by its degrees?

answered Nov 27, 2015 at 9:17

4 votes

Length of the longest chain in dominance order

answered Mar 14, 2014 at 9:26

4 votes

Finding combinatorial models / statistics

answered Aug 30, 2015 at 19:27

3 votes

A function from partitions to natural numbers - is it familiar?

answered Jun 13, 2013 at 18:43

3 votes

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Demazure product in Coxeter and Artin groups

answered Nov 17, 2015 at 13:19

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48 Answers

A double grading of catalan numbers

A family of words counted by the Catalan numbers

Deligne's letter to Looijenga from 1974

Hyperplane arrangements whose regions all have the same shape

Natural bijection between Dyck paths and tilting modules

What does the $q$-Catalan Numbers count?

An introduction to Macdonald polynomials other (better?!) than SFHP

Databases for sequences indexed by partitions

Parking functions to non-crossing partitions

Intuition behind Hook Length Formula

Bijection directly from (n,n+1)-core partitions to parking functions?

References request: reflections in coxeter groups

Examples of errors in computational combinatorics results

Elements of Coxeter group whose simple reflections pairwise commute

A decomposition of $w_0$ which is similar to the reduced decomposition

A list of symmetric statistics

Weighted Permutation Sum

Klein's Protocols: A window into our mathematical past

universality of Macdonald polynomials

enumerative meaning of natural q-Catalan numbers

How many facets does the convex hull of all the roots of a root system have?

Alternating multisymmetric functions

Characterizing posets by functions into natural numbers

On determinants formed by binomial coefficients

Coxeter exchanges in non-reduced words

Uniform proof that a finite (irreducible real) reflection group is determined by its degrees?

Length of the longest chain in dominance order

Finding combinatorial models / statistics

A function from partitions to natural numbers - is it familiar?

Demazure product in Coxeter and Artin groups