2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/192022On the basis of Fourier duality and Stone-von Neumann theorem, we will examine polymer-quantization techniques and modified uncertainty relations as possible 1-extraD compactification schemes for a phenomenological truncation of the extraD tower.4 pages, to appear in Proceedings of the II Stueckelberg Workshop - Int. J. Mod. Phys. AGeneral Relativity and Quantum CosmologyFundamental Symmetries of the extended Spacetimetext