References

CheungVIIA

N. Cheung, Plateau-compatible relational scalars: a second-order classical intertwiner. Landmark VII-A. -A.tex, version 1, Enter Calculus Companion, unpublished manuscript. The registered source has an empty author field; attribution here follows the companion record. Relevant locators include :first, :defect, :witness, :plateaucov, :second, :jet, :support, and :classicalcomparison. https://enter.grok.me/browse/VII-A.

CheungIB

N. Cheung, I-B-v1: A Finite Enter Spacetime: Calibrated Destructive Time Readout on a Prescribed Conical Product. -B-v1.tex, version 1, Enter Calculus Companion, unpublished manuscript. https://enter.grok.me/browse/I-B.

CheungVI

N. Cheung, VI, .tex, version 1. Enter Calculus Companion, supplied unpublished manuscript. Second-order classical descent and the compact-switch obstruction are separate conclusions. https://enter.grok.me/browse/VI.

CheungEnter

N. Cheung, “The Enter Calculus: A Linear Quantum Lambda Calculus with an Operational Characterization of Measurement,” Frontiers in Physics 14 (2026), article 1954943. Accepted 28 September 2026; the consulted publisher record identifies final formatting as forthcoming. DOI: 10.3389/fphy.2026.1954943.

CheungI

N. Cheung, I, .tex, version 2. Enter Calculus Companion, supplied unpublished manuscript. Finite measurement characterization inside its declared class. https://enter.grok.me/browse/I.

CheungPhilosophy

N. Cheung, The Philosophy of Enter: Destructive Readout, Quantum Recovery, and the Refusal of Identification. -v2.tex, version 2. Introductory essay, Enter Calculus Companion. https://enter.grok.me/enter.

BFHPR

R. Brunetti, K. Fredenhagen, T.-P. Hack, N. Pinamonti, and K. Rejzner, “Cosmological perturbation theory and quantum gravity,” Journal of High Energy Physics 08 (2016), 032. DOI: 10.1007/JHEP08(2016)032. https://arxiv.org/abs/1605.02573.

Frob

M. B. Fröb, “Gauge-invariant quantum gravitational corrections to correlation functions,” Classical and Quantum Gravity 35 (2018), 055006. DOI: 10.1088/1361-6382/aaa74c. https://arxiv.org/abs/1710.00839.

BGP

C. Bär, N. Ginoux, and F. Pfäffle, Wave Equations on Lorentzian Manifolds and Quantization. ESI Lectures in Mathematics and Physics, European Mathematical Society, 2007. https://arxiv.org/abs/0806.1036.

BFR

R. Brunetti, K. Fredenhagen, and K. Rejzner, “Quantum gravity from the point of view of locally covariant quantum field theory,” Communications in Mathematical Physics 345 (2016), 741–779. DOI: 10.1007/s00220-016-2676-x. https://arxiv.org/abs/1306.1058.

DF

M. Dütsch and K. Fredenhagen, “Causal perturbation theory in terms of retarded products, and a proof of the Action Ward Identity,” Reviews in Mathematical Physics 16 (2004), 1291–1348. DOI: 10.1142/S0129055X04002266. https://arxiv.org/abs/hep-th/0403213.

FV

C. J. Fewster and R. Verch, “Quantum fields and local measurements,” Communications in Mathematical Physics 378 (2020), 851–889. DOI: 10.1007/s00220-020-03800-6. https://arxiv.org/abs/1810.06512.

Watrous

J. Watrous, The Theory of Quantum Information. Cambridge University Press, 2018. Author's book interface: https://cs.uwaterloo.ca/ watrous/TQI/.

CheungGradeS

N. Cheung, III-B, -B-v1.tex, version 1; and V-B, -B-v1.tex, version 1. Enter Calculus Companion, supplied unpublished source records. Supported-presentation and local Grade S comparisons.

CheungCertificates

N. Cheung, II, .tex, version 2; and II-B, -B-v1.tex, version 1. Enter Calculus Companion, supplied unpublished manuscripts. Finite certificate logic; no response catalogue is transferred.

CheungEn09

N. Cheung, En09-A: Realization of Relational Time by Destructive Enter on a Clock Register. 09-A.tex, version 1. Enter Calculus Companion, supplied unpublished manuscript. Complete conditioning and separately stated dynamical covariance hypotheses. https://enter.grok.me/browse/En09-A.

CheungOperational

N. Cheung, VII-E, VII-G, and VIII-A, version 3. Enter Calculus Companion, supplied unpublished source records. Record, residual-instrument, and observation-boundary comparisons only.

CheungLocality

N. Cheung, VII-J, -J.tex, version 1; En03-A, 03-A.tex, version 1; and En05-A, 05-A.tex, version 1. Enter Calculus Companion, supplied unpublished source records. Schedule locality, physical containment, and complete-channel transport contracts.

CheungPrepared

N. Cheung, XVI-A, -A.tex, version 1; and XVI-B, -B.tex, version 1. Enter Calculus Companion, supplied unpublished manuscripts. Conditional wavefront interfaces and prepared-source memory; their witnesses and retarded targets are not imported.

CheungProductTracks

N. Cheung, VII-B, VII-C, VII-D, VII-H, VII-I; IX-A through IX-E; X-G; and XI-G. Enter Calculus Companion, version-specific unpublished source records supplied with the problem. These are separately scoped admission, product, susceptibility, variational, and free-shell questions.

CheungComparisons

N. Cheung, III, version 2; IV and IV-B; VII-F; VIII-A through VIII-C, version 3; Em02-E, XX-A, XIX-A; En08-A, En08-B; Oai282-A, and the named Hawk, Psy, and Em packet sheets. Enter Calculus Companion, supplied unpublished documentary records. Grouping is bibliographic only and asserts no common model or transferred theorem.

The separately supplied OpenAI catalogue is attributed to OpenAI, not to N. Cheung. It is not a premise and no family proof or verification status is imported.

CheungAnalytic

N. Cheung, XIV-H, version 1; XIV-I, version 1; XIV-J, version 1; and technical XV-B, version 2. Enter Calculus Companion, supplied unpublished manuscripts. Historical H2, constructed internal I2, unresolved full I3/J2, and the relative-lifting interfaces are distinct records.

CheungStops

N. Cheung, XVI-N, revision r12; XVI-O, revision o70-sync; and XVI-Q, release Q11. Enter Calculus Companion, supplied unpublished source records. The broader standing insertion and XVI-O boundaries are not updated by separately scoped subsector statements.