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The Leavitt Path Algebras of Quantum Quivers

Prelegent(ci)
TOMASZ MASZCZYK
Afiliacja
Uniwersytet Warszawski, Poland
Język referatu
angielski
Termin
14 stycznia 2026 17:15
Informacje na temat wydarzenia
ZOOM
Tytuł w języku polskim
The Leavitt Path Algebras of Quantum Quivers
Seminarium
North Atlantic Noncommutative Geometry Seminar

We introduce a topos of quantum sets and study the properties of the embedding of the classical topos of sets in it. In this way, we derive  the  Birkhoff-von Neumann quantum logic and many other structures from quantum theory. In particular, we define quantum quivers in the sense of Day and Street and also Chikhladze. Then we provide a categorical derivation of the Leavitt path algebra of a regular quantum quiver and relate it to the category of stable representations of that quiver. This is based on a categorification of the Cuntz-Pimsner algebra in the context of adjoint functors, which replaces the customary use of Hilbert modules in the context of C*-algebras. Finally, we discuss the functoriality of our construction under appropriate correspondences between quantum quivers.