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quant-ph2026
Products of unitaries as continuous evolutions at finite precision
Michael Jarret
I present a short approach to discretizing continuous unitary evolution. It gives a correspondence in both directions between continuous unitary evolutions and products of unitarie…
quant-ph2026
Quantum Query Complexity and Span Programs from Pre-Geometry
Justin Roy Cox, Neil Epstein, Zhirui Hu +2
Span programs provide a general method for designing quantum query algorithms, and for Boolean coordinate queries their optimum cost agrees with the general adversary bound. We dev…