Martin Rubey

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Name Martin Rubey
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6

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1
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“inversion” of a convolution

aug 9 10 at 12:03 Martin Rubey 1,447●5●13

4

 

1

1
3
votes
0
answers
317
views

a poset with small “cycles”

sep 30 10 at 14:18 Martin Rubey 1,447●5●13

3
3
votes
11
answers
435
views

A list of symmetric statistics

jul 8 at 14:04 Martin Rubey 1,447●5●13

 
2
votes
1
answer
368
views

“Closed” form for Motzkin and related numbers

jun 3 10 at 12:36 Wadim Zudilin 8,664●1●24●59

1

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32

Answers
votes newest views recent
13
Exact formulas for the partition function?
10
Generalization’s of Greene’s Theorem for the Robinson-Schensted correspondence
8
Divisibility Relation for Spanning Trees of a Graph
7
What is the relationship between the Bell numbers, the Bell polynomials, and the partition numbers?
6
What are some examples of interesting uses of the theory of combinatorial species?
5
nontrivial theorems with trivial proofs
5
Number of spanning trees in a grid
4
Help with a double sum, please
4
Is there a natural family of languages whose generating functions are holonomic (i.e. D-finite)?
4
can the Newton’s identities and Dodgson’s condensations be proved by Gessel-Viennot’s lemma?
3
does the j-invariant satisfy a rational differential equation?
3
How does this relationship between the Catalan numbers and SU(2) generalize?
3
Can you find linear recurrence relation for dimensions of invariant tensors?
3
An example of a series that is not differentially algebraic?
3
Finding recurrence relation for a sequence of polynomials
2
“inversion” of a convolution
2
Finding a recursion for a sum of Legendre polynomials
2
Approximating rational generating functions
2
Name of an operation on graphs
2
Algorithm for summing certain sums involving the floor function
1
What are some early examples of creation of lists / catalogues of (particularly) combinatorial objects?
1
Proving a hypergeometric function identity
1
Summation of an expression
1
How can we realize different combinatorial objects as the dimension of a construction on vector spaces? Are the resulting algebras useful?
1
Are the q-Catalan numbers q-holonomic?
1
Modular equations for quasimodular forms
1
Decreasing coefficients?
0
Showing a matrix is negative definite [formerly Showing a sum is always positive]
0
Trying to sum a series (related to catalan numbers perhaps)
0
A list of symmetric statistics (2)
1 2 next

 

31

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45

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