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math.AT2026
-Theoretic Obstructions to Linearizing QCA Representations
Mattie Ji, Bowen Yang
Projective representations arise naturally in physics and representation theory, and determining whether they can be linearized has been a fundamental problem. In this work, we stu…
math.AT2026
Quantum Cellular Automata: The Group, the Space, and the Spectrum
Mattie Ji, Bowen Yang
Over an arbitrary commutative ring , we develop a theory of quantum cellular automata. We then use algebraic K-theory to construct a space of quantum cellular au…