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<url><loc>https://elliotmcguckenphysics.com/2026/04/21/a-derivation-of-the-de-broglie-relation-p-h-%ce%bb-from-the-mcgucken-principle-dx%e2%82%84-dt-ic-wave-particle-duality-as-a-geometric-consequence-of-the-expanding-fourth-dimension-with-a-compara/</loc><news:news><news:publication><news:name>The McGucken Principle: The fourth dimension x4 is expanding at the velocity of light c: x4=ict, ergo dx4/dt=ic</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-04-21T22:46:54+00:00</news:publication_date><news:title>A Derivation of the de Broglie Relation p = h/λ from the McGucken Principle dx₄/dt = ic: Wave-Particle Duality as a Geometric Consequence of the Expanding Fourth Dimension, with a Comparative Analysis of the Heuristic, Covariant-Relativistic, and Geometric-Algebra 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ic</news:title></news:news></url><url><loc>https://elliotmcguckenphysics.com/2026/04/21/a-novel-geometric-derivation-of-the-canonical-commutation-relation-q-p-i%e2%84%8f-based-on-the-mcgucken-principle-a-comparative-analysis-of-derivations-of-q-p-i%e2%84%8f-in-gleason-hestene/</loc><news:news><news:publication><news:name>The McGucken Principle: The fourth dimension x4 is expanding at the velocity of light c: x4=ict, ergo dx4/dt=ic</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-04-21T21:27:54+00:00</news:publication_date><news:title>A Novel Geometric Derivation of the Canonical Commutation Relation [q, p] = iℏ Based on the McGucken Principle dx4/dt=ic: A Comparative Analysis of Derivations of [q, p] = iℏ in Gleason, Hestenes, Adler, and the McGucken Quantum 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