2 papers
math.OA2025
Unital embeddings of Cuntz algebras from path homomorphisms of graphs
Piotr M. Hajac, Yang Liu
Cuntz algebras , , are celebrated examples of a separable infinite simple C*-algebra with a number of fascinating properties. Their K-theory allows an embedding…
math.QA2025
Algebraic Versus Spectral Torsion
Ludwik DÄ browski, Yang Liu, Sugato Mukhopadhyay
We relate the recently defined spectral torsion with the algebraic torsion of noncommutative differential calculi on the example of the almost-commutative geometry of the product o…