Martin Rubey's user avatar
Martin Rubey's user avatar
Martin Rubey's user avatar
Martin Rubey
  • Member for 14 years, 2 months
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16 votes
3 answers
10k views

Proving that a poset is a lattice

16 votes
1 answer
436 views

Types of generating functions (ordinary, exponential, ???) closed under substitution

14 votes
4 answers
1k views

actions of the hyperoctahedral group

12 votes
0 answers
244 views

$\mathfrak{sl}_3$ webs without faces having a multiple of 4 sides

11 votes
11 answers
1k views

Lattices on classical combinatorial families

10 votes
1 answer
484 views

is there a ‘nice’ lattice on the set of unlabelled graphs with $n$ vertices?

10 votes
2 answers
643 views

Has there been any application of tensor species?

9 votes
1 answer
444 views

Products of Catalan numbers

7 votes
2 answers
244 views

complicated combinatorial algorithms with good descriptions

7 votes
1 answer
139 views

equidistributed parameters on graphs

7 votes
2 answers
361 views

What makes skew characters of the symmetric group special?

7 votes
1 answer
853 views

The number of lattice paths below y=n/m x for gcd(m,n) = 1

7 votes
0 answers
138 views

poset of lattice properties

6 votes
1 answer
338 views

generating function for Dyck paths avoiding a pattern

6 votes
1 answer
497 views

"inversion" of a convolution

6 votes
2 answers
318 views

Number of integer partitions modulo 3

5 votes
1 answer
337 views

Formalize ignorance

5 votes
1 answer
119 views

A thickening map on integer partitions

5 votes
0 answers
179 views

normal form for some finite groups, extending the small groups library

5 votes
0 answers
107 views

Heuristics for the word problem for monoids

5 votes
1 answer
919 views

beyond differentially algebraic power series

5 votes
0 answers
615 views

A poset with small "cycles"

5 votes
1 answer
428 views

How to visualize a category (of "combinatorial" maps)

5 votes
1 answer
289 views

Standard or good names for relations between maps

5 votes
2 answers
565 views

The relation $x \sim g x g$ in groups

5 votes
2 answers
299 views

Find a subdistribution

5 votes
1 answer
465 views

A bijection on permutations

4 votes
0 answers
167 views

Determine the minimal elements of a Dynkin system generated by a finite set of finite sets

4 votes
1 answer
250 views

What is the number of finite Dynkin systems?

4 votes
2 answers
342 views

Equidistribution of returns and height of first peak of Dyck paths