References

CheungCONE

N. Cheung, From the Enter Calculus to Relativistic Causal Structure: An Exact Causal Cone, Foliation Independence, and Conditional Lorentzian Limits. Supplied manuscript 085VvBp1.tex, 2026. Cited by source labels and statements; no separate persistent identifier was supplied.

CheungSTEN

N. Cheung, Increasing-Stencil Substrates and Euclidean Causal Cones: Closing the Geometric Continuum Limit for Partitioned Quantum Dynamics. Supplied manuscript 085VvBp2.tex, 2026. No separate persistent identifier was supplied.

CheungTRANSPORT

N. Cheung, Transport of Local Experiments and Emergent Poincare Covariance: An Operational and Algebraic Continuum Limit for Increasing-Stencil Quantum Dynamics. Supplied revised manuscript 085VvBp3.tex, 2026. Its transport and closure claims are audited in this paper.

CheungEn05A

N. Cheung, Exact Causal Cones for Partitioned Enter Dynamics: Snapshot–Channel Comparison, Sharp Relay Speed, and Conditional Continuum Limits. Supplied En05-A source in the preceding exchange, 2026. Comparison manuscript, not an independently certified premise.

CheungEC

N. Cheung, “The Enter Calculus: A Linear Quantum Lambda Calculus with an Operational Characterization of Measurement.” Frontiers in Physics, publisher accepted-article record, 2026, article 1954943. Accepted 28 September 2026; the publisher record consulted contains the abstract and identifies the forthcoming formatted version. doi:10.3389/fphy.2026.1954943. The supplied predecessor also identifies a Figshare version: doi:10.6084/m9.figshare.33087515.v2. The versions are not assumed to be identical.

CheungI

N. Cheung, Landmark I. Version 2, supplied companion record I.tex. Especially thm:main, thm:confluence, thm:adequacy, thm:nocloning, thm:internal-ns, and prop:classical-recovery.

CheungEn03A

N. Cheung, En03-A. Version 1, supplied companion record En03-A.tex. Especially lem:one-layer, thm:locality, cor:local-records, thm:retiming, and prop:directional.

CheungVIIE

N. Cheung, Landmark VII-E. Version 1, supplied companion record VII-E.tex. Prescribed schedule locality, labelled-channel ordering invariance, and directional comparisons.

CheungVIIG

N. Cheung, Landmark VII-G. Version 1, supplied companion record VII-G.tex. Complete hybrid-controller support; especially thm:locality.

CheungVIIJ

N. Cheung, Landmark VII-J. Version 1, supplied companion record VII-J.tex. Especially thm:nosignal, thm:schedule, thm:physical, thm:local-velocity, thm:polytope, and cor:velocitymargin.

CheungPsy04B

N. Cheung, Psy04-B. Version 1, supplied companion record Psy04-B-v1.tex. Complete finite networks and scheduled-support containment.

CheungEn04A

N. Cheung, En04-A. Version 1, supplied companion record En04-A.tex. Finite complete-program soundness, destructive readout, discard, classical reconstruction, and complete residual response.

CheungHawk04B

N. Cheung, Hawk04-B. Version 2, supplied companion record Hawk04-B.tex. Especially thm:adequacy, thm:drop, and thm:classical.

CheungEn02C

N. Cheung, En02-C. Version 1, supplied companion record En02-C-v1.tex. Reference-preserving sequential soundness; especially thm:C1.

CheungHawk02E

N. Cheung, Hawk02-E. Version 1, supplied companion record Hawk02-E.tex. Complete-channel regulator and finite residual/decoder certificates.

CheungHawk04A

N. Cheung, Hawk04-A. Version 1, supplied companion record Hawk04-A.tex. Complete-dilation, complementary-channel, and decoder certificates.

CheungEn02E

N. Cheung, En02-E. Version 2, supplied companion record En02-E-v2.tex. Deterministic flagged cutoff; especially thm:cutoff.

CheungVIIIB

N. Cheung, Landmark VIII-B. Version 2, supplied companion record VIII-B-v2.tex. Variable-deficit spatial-cone dictionary; especially thm:dictionary.

CheungEm02E

N. Cheung, Em02-E. Version 1, supplied companion record Em02-E-v1.tex. Classical relational lapse; especially thm:lapse.

CheungXIVH

N. Cheung, Landmark XIV-H: Internal kernel relations on the operator route. Version 1, supplied companion record XIV-H.tex. Historical internal-transition boundary thm:H2.

CheungXIVI

N. Cheung, Landmark XIV-I. Version 1, supplied companion record XIV-I.tex. Internal amplitude construction thm:I2 and missing full joint map thm:I3.

CheungXIVJ

N. Cheung, Landmark XIV-J. Version 1, supplied companion record XIV-J.tex. Reconstruction descent, supported-sector reference, missing full thm:J2 map, and cor:noadmission.

Watrous

J. Watrous, The Theory of Quantum Information. Cambridge University Press, 2018.

HorodeckiEB

M. Horodecki, P. W. Shor, and M. B. Ruskai, “Entanglement breaking channels,” Reviews in Mathematical Physics 15 (2003), 629–641. arXiv:quant-ph/0302031.

Fritz

T. Fritz, “Velocity polytopes of periodic graphs and a no-go theorem for digital physics,” Discrete Mathematics 313 (2013), 1289–1301. arXiv:1109.1963. doi:10.1016/j.disc.2013.02.010.

Burago

D. Burago, Y. Burago, and S. Ivanov, A Course in Metric Geometry. Graduate Studies in Mathematics 33, American Mathematical Society, 2001.

ToffoliMargolus

T. Toffoli and N. Margolus, Cellular Automata Machines: A New Environment for Modeling. MIT Press, 1987.

SchumacherWerner

B. Schumacher and R. F. Werner, Reversible quantum cellular automata. arXiv:quant-ph/0405174, 2004.

ArrighiFacchiniForets

P. Arrighi, S. Facchini, and M. Forets, “Discrete Lorentz covariance for quantum walks and quantum cellular automata,” New Journal of Physics 16 (2014), 093007. arXiv:1404.4499. doi:10.1088/1367-2630/16/9/093007.

DArianoPerinotti

G. M. D'Ariano and P. Perinotti, “Derivation of the Dirac equation from principles of information processing,” Physical Review A 90 (2014), 062106. arXiv:1306.1934.

Alexandrov

A. D. Alexandrov, “A contribution to chronogeometry,” Canadian Journal of Mathematics 19 (1967), 1119–1128. doi:10.4153/CJM-1967-102-6.

Zeeman

E. C. Zeeman, “Causality implies the Lorentz group,” Journal of Mathematical Physics 5 (1964), 490–493. doi:10.1063/1.1704140.

BratteliRobinson

O. Bratteli and D. W. Robinson, Operator Algebras and Quantum Statistical Mechanics 1. Second edition, Springer, 1987.

BuchholzVerch

D. Buchholz and R. Verch, “Scaling algebras and renormalization group in algebraic quantum field theory,” Reviews in Mathematical Physics 7 (1995), 1195–1239. arXiv:hep-th/9501063.

BrunettiFredenhagenVerch

R. Brunetti, K. Fredenhagen, and R. Verch, “The generally covariant locality principle—a new paradigm for local quantum field theory,” Communications in Mathematical Physics 237 (2003), 31–68. arXiv:math-ph/0112041.

ReedSimon

M. Reed and B. Simon, Methods of Modern Mathematical Physics I: Functional Analysis. Revised edition, Academic Press, 1980.