Jacobi operators with λ-scaled diagonals exhibit essentially singular limits as λ→0, with subsequential strong resolvent convergence to any self-adjoint extension of the limit, applied to show non-unique selection in higher-order squeezing operators.
The Classical Moment Problem as a Self-Adjoint Finite Difference Operator
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Essentially singular limits of Jacobi operators and applications to higher-order squeezing
Jacobi operators with λ-scaled diagonals exhibit essentially singular limits as λ→0, with subsequential strong resolvent convergence to any self-adjoint extension of the limit, applied to show non-unique selection in higher-order squeezing operators.