Homogeneous rank one perturbations
classification
🧮 math-ph
math.MP
keywords
operatorsrankclosedfamilyfracfunctiongivengroup
read the original abstract
A holomorphic family of closed operators with a rank one perturbation given by the function $x^{\frac{m}{2}}$ is studied. The operators can be used in a toy model of renormalization group.
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