32

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