159

Answers

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2

Discrete disjoint covering of integer lattices

8

Semi-Standard Young Diagrams and Families

4

Relations involving Stirling numbers of second kind

1

Counting linear extensions of unlabeled series parallel structures

9

Characters of p-groups

6

Generalization’s of Greene’s Theorem for the Robinson-Schensted correspondence

8

Invertibility of a certain matrix indexed by the Hamming cube

1

Statistics on Lehmer codes

2

What is the probability for sequence of lenght L in subset of [n]

4

Partial order relation on subsets

2

connected components of a real hyperplane arrangement

6

Elementary applications of linear algebra over finite fields

5

Are there any binomial poset which has non-isomorphic interval of the same length?

1

What is the smallest number of subsets in such a subdivision?

2

Why do Littlewood-Richardson coefficients describe the cohomology of the Grassmannian?

2

Littlewood-Richardson Coefficients from Kostka coefficients

4

Pairs of Permutations up to Simultaneous Conjugation

5

Combinatorics: Product Rules.

2

Absolute sum of coefficient of (1-x)^b (1+x)^{(n-b)}

18

Salié permutations and fair permutations

7

Combinatorial Morse functions and random permutations

2

Symmetric and Exterior products of sl(n,C)-module

9

Counting lattice points inside an n-dimensional tetrahedron.

14

what is the probability that a scissor became the champion?

1

Visualizing large posets

6

At what times were people interested in prime numbers

13

Tensor powers of the standard representation

3

Bijection between saturated chains in Youngs lattice and SYTs using jeu-de-taquin

50

Not especially famous, long-open problems which anyone can understand (2)

11

Using Exterior Algebras in combinatorics