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hep-th2025
Quantum Symmetry and Geometry in Double-Scaled SYK
Jeremy van der Heijden, Erik Verlinde, Jiuci Xu
The emergence of the quantum -matrix in the double-scaled SYK model points to an underlying quantum group structure. In this work, we identify the quantum group $\mathcal{U}_q(\…
hep-th2025
Algebras, Entanglement Islands, and Observers
Hao Geng, Yikun Jiang, Jiuci Xu
Some recent work has postulated the existence of an "observer" for a consistent definition of subregion algebras in gravitational universes. The subregion algebras consist of opera…
hep-th2025
Geometry of Chord Intertwiner, Multiple Shocks and Switchback in Double-Scaled SYK
Sergio E. Aguilar-Gutierrez, Jiuci Xu
We revisit the bulk Hilbert space interpretation of chords in the double-scaled SYK (DSSYK) model and introduce a notion of intertwiner that constructs bulk states from states with…