5 problems
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Conjecture on bulk and semi-infinite higher Berry curvature
Bulk-boundary higher-curvature conjecture. The infinite and semi-infinite systems have the same higher Berry curvature when is taken sufficiently far from the boundary.
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Nonexistence of scalar-flat tori with nonzero Chern number in complex projective space
Let be complex projective -space, and let be a two-dimensional submanifold of with vanishing scalar curvature. Suppose that is a torus an…
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Nonexistence of nontrivial closed density algebras in lattice systems
A closed density algebra is an algebra of density operators in a lattice system that closes under the relevant algebraic operations; the GMP algebra is one example arising from the…
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The Chern-character formula for higher Berry curvature in class A
Consider a family of class A insulators in spatial dimension , with parameter space , and let be the closed -form associated to the family.…
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The higher Berry curvature–Chern character conjecture for translationally invariant free fermions
For a family of translationally invariant tight-binding free-fermion Hamiltonians in spatial dimension , let be the parameter space and let be the…