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cs.PL2026★ 1 cited
Causality in Pure Quantum Computation with Quantum Control
Kengo Hirata, Takeshi Tsukada
Indefinite causal order is a characteristic phenomenon in quantum computation, with examples including the quantum SWITCH and the OCB process. Not all such processes are believed t…
cs.PL2026
Programming with Quantum-Controlled Quantum Channels
Kengo Hirata, Takeshi Tsukada
In contrast to a classical bit, which can only take the value or , its quantum counterpart -- a qubit -- can exist in a superposition of and . This is a superposition…
cs.LO2026
Full Definability in a Profunctorial Model
Takeshi Tsukada, Kazuyuki Asada, Kengo Hirata
A semantic model enjoys full definability if every semantic element in the model is a denotation of some proof or program. Full definability indicates that the model captures progr…