7 problems
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The saturation conjecture for tensor products of unitary-group representations
Saturation conjecture. One can take in the above theorem. Equivalently, for integer , , and , the relations and…
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Horn's conjecture on sums of Hermitian matrices
Horn's conjecture. The relation holds if and only if the trace identity holds and the displayed inequality holds whenever , , and are admis…
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Knutson–Tao saturation conjecture
Saturation conjecture. The classical–quantum equivalence persists even for ; equivalently, whenever…
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Knutson–Tao saturation conjecture for Littlewood–Richardson coefficients
Saturation conjecture. If there exists a positive integer such that
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Nonexistence of rigid tree honeycombs in categories 5–10
A rigid tree honeycomb is a rigid tree measure whose simple degenerations are classified into the categories listed in the preceding discussion, with categories (5)–(10) denoting t…
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Knutson–Tao conjecture on the Hermitian realization of honeycomb overlays
Knutson–Tao conjecture. The direct sum of Hermitian matrices corresponds to an overlay of honeycombs; conversely, Littlewood–Richardson fillings should correspond to Hermitian matr…
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Fulton's integral-rigidity conjecture for honeycombs
Fulton's conjecture. Every integral honeycomb that is -rigid is also -rigid.