12 problems
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The maximal-class conjecture for rank 3 distributions with 6-dimensional square
Maximal-class conjecture. In dimensions , the maximally symmetric rank distribution with -dimensional square is of maximal class.
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Fredkin-chain conjecture on the central extension by total spin
Let be the Lie algebra generated by the raising and lowering operators of the periodic Fredkin chain with sites. Let be the third component of the…
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Fredkin-chain conjecture on the anti-adjoint representation of the raising and lowering operators
Anti-adjoint representation conjecture. There exist coefficients such that
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Fredkin-chain conjecture on annihilation of non-cyclic invariant eigenstates
Let be the raising and lowering operators for the periodic Fredkin chain, let be the cyclic shift operator, and let be its Hamiltonian. An eigenstate…
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Cartan decomposition of the total-spin operator in the periodic Motzkin symmetry algebra
Total-spin Cartan decomposition conjecture. The operator can be written as
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Type symmetry algebra generated by the periodic Motzkin operators
Type symmetry-algebra conjecture. The operators generate the algebra of the Serre relations with rank and Cartan matrix
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Raising and lowering symmetry operators of the periodic Motzkin chain
Raising and lowering operator conjecture. There exist raising and lowering operators satisfying
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Higher-spin collective excitations conjecture for the fractional quantum Hall effect
The fractional quantum Hall effect has an area-preserving-diffeomorphism symmetry whose quantum realization involves the Girvin-Macdonald-Platzman algebra. The Magnetoroton is a sp…
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The -dimensional Abelian subalgebra conjecture for linearisable delay ordinary differential equations
Abelian subalgebra dimension conjecture. The dimension satisfies
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Algebraicity of the radial symmetry operators in the n-body problem
Algebraicity conjecture. All symmetry operators are algebraic differential operators in the variables , with coefficients linear in the .
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Beloshapka's maximal symmetry conjecture for holomorphically nondegenerate CR-hypersurfaces
Let be a real-analytic connected holomorphically nondegenerate CR-hypersurface of CR-dimension , and let denote its symmetry algebra. Beloshapka's conjectu…
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Eight-dimensional Noether algebra conjecture for complexified linear systems
Let a scalar linear second-order ordinary differential equation be complexified, and let the resulting system of two real second-order ordinary differential equations be linear and…