67 problems
- 0 votes0 replies0 views
Kuperberg's conjecture for cyclic Markov chains
Let a word be generated by an irreducible, doubly-stochastic, cyclic Markov chain on an alphabet of size . Let its associated RSK Young-diagram shape be suitably centered and no…
- 0 votes0 replies0 views
Triangular limit-shape conjecture for the diamond random permutation
Let be the uniform distribution on the diamond … Let denote the limit shape of the Young diagram associated with the corresponding locally uniform random permutation…
- 0 votes0 replies0 views
Krattenthaler–Müller's two-row formula conjecture for NPS average complexity
Krattenthaler–Müller's two-row formula conjecture. The average case complexity is
- 0 votes0 replies0 views
Han's polynomiality conjecture for hook-length power sums
Han's conjecture. For every , is a polynomial in .
- 0 votes0 replies0 views
Han's polynomiality conjecture for moments of partition hook lengths
Let range over partitions of . For a box , let denote its hook length, and let denote the number of standard Young tableau…
- 0 votes0 replies1 view
Stanley's sign-imbalance conjecture for partitions
Let range over all partition shapes with cells. For a standard Young tableau of shape , define its sign by reading entries row by row from left to right, sta…
- 0 votes0 replies0 views
Little's conjecture relating the Little map and Edelman–Greene insertion
Little's conjecture. The two tableaux agree:
- 0 votes0 replies0 views
Bijective decomposition conjecture for Schur-function Plücker relations
Let be a partition with outside corners. Choose a corner and corresponding weight , and retain the notions of Theorem … 1leq i1<cdots<irleq kleq jr<c…
- 0 votes0 replies0 views
The quiver-variety factor-sequence formula for quiver coefficients
Let be rank conditions satisfying the paper's rank-condition hypotheses, let be the associated array of rectangles, and choose a fixed tableau on each…
- 0 votes0 replies0 views
The Richardson-component generation conjecture for orders on Young tableaux
Let be a Richardson tableau, and let the order on Richardson components be given together with the operations and transposition. Richardson-compon…
- 0 votes0 replies0 views
The Vogan-chain characterization conjecture for orbital-variety closures
Let be the set of standard Young tableaux with boxes, let be the primitive ideal attached to , let be its orbital variety, and let…
- 0 votes0 replies1 view
The geometric-algebraic order conjecture for Young tableaux
For , let be the set of standard Young tableaux with boxes. To each attach a primitive ideal and a…
- 0 votes0 replies0 views
The Vogan-chain order conjecture for primitive ideals and orbital varieties
Let be the set of standard Young tableaux with boxes, and consider the combinatorics of inclusions among primitive ideals and among closures of orbital varieties at…
- 0 votes0 replies0 views
The algebraic-geometric order conjecture for orbital varieties in
Let , and let the algebraic and geometric orders be the orders on standard Young tableaux induced respectively by inclusion of primitive…
- 0 votes0 replies0 views
Second-term oscillation conjecture for hook Young-diagram distribution functions
Let and . Define … and let be the corresponding limiting integral ratio. Second-term oscillation conjecture. As , the q…
- 0 votes0 replies0 views
The identification and reducibility of the Octahedral map
Octahedral-map conjecture. The map and the map defined in KTW are identical and linearly equivalent to maps in Theorem 1. The paper has already shown that its tableau-s…
- 0 votes0 replies0 views
Linear equivalence of the RSK and Littlewood-Robinson maps to their inverses
Let denote the RSK map and let denote the Littlewood–Robinson map; the source has previously established that both maps are one-to-one. Inverse-equivalence conject…
- 0 votes0 replies0 views
The equality of the Fundamental Symmetry maps
The Fundamental Symmetry maps are defined on Littlewood–Richardson tableaux: is the first Fundamental Symmetry map, is the map defined earlier in the paper,…
- 0 votes0 replies0 views
The factor sequences conjecture for cohomological quiver coefficients
Let be a cohomological quiver coefficient, and represent the relevant combinatorial data by a tableaux diagram: a sequence of chosen semistandard Young tableaux together…
- 0 votes0 replies0 views
The generalized cohomology construction conjecture for N-complexes
Let and let denote the -complex of tensor fields on with the generalized differential. For , consider the construction t…
- 0 votes0 replies0 views
The Asymptotic Shape Conjecture for Kostant-positive permutations
Let be a Young diagram with boxes in its first row, and let be obtained by adding a first row of …
- 0 votes0 replies1 view
The totally sorted configuration and SYT probability conjecture for labeled chip-firing on star graphs
Let be the star graph with branches, each receiving labeled chips, and consider the random labeled chip-firing process in which every firable vertex is equal…
- 0 votes0 replies0 views
The marked mesh-pattern characterization of permutations with RSK tableaux avoiding
Under the Robinson–Schensted–Knuth correspondence, a permutation is mapped to a pair of Young tableaux of the same shape. Let be the set of permutations whose tableaux avoid th…
- 0 votes0 replies1 view
Maas-Gariépy's dual equivalence graph conjecture for skeletons
Let be a partition, and let denote the skeleton associated with a connected crystal whose associated Young tableaux have shape . Let the…
- 0 votes0 replies0 views
Linear-bound multiset reconstruction conjecture for tableau minors
Let and let , where . Here denotes the multiset of -minors of the standard Young tableau . Multiset re…