47 citations · 319 across the 21 of their papers we have counts for
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math-ph2013★ 39 cited
Quantum spin systems on infinite lattices
Pieter Naaijkens
This is an extended and corrected version of lecture notes originally written for a one semester course at Leibniz University Hannover. The main aim of the notes is to give an intr…
math-ph2013★ 16 cited
Kosaki-Longo index and classification of charges in 2D quantum spin models
Pieter Naaijkens
We consider charge superselection sectors of two-dimensional quantum spin models corresponding to cone localisable charges, and prove that the number of equivalence classes of such…