Oct 2026· Zenodo (CERN European Organization for Nuclear Research)
Quasicrystal Structures and PropertiesAdvanced Mathematical Theories and Applications
Abstract
FINDING: Penrose tiling bridges 5-fold symmetry impossibility with golden-ratio-based non-periodic order; Orch-OR links this to quantum spacetime geometry in consciousness. | MATH: φ = (1+√5)/2 ≈ 1.618; φ⁻¹ = φ−1 ≈ 0.618; φ² = φ+1 ≈ 2.618; Penrose tiles (kite/dart) enforce matching rules via inflation/deflation; 5-fold rotational symmetry forbidden in periodic crystals (crystallographic restriction theorem); non-computable tiling implies aperiodic order from local rules; Gödel incompleteness parallels non-algorithmic processes in Orch-OR. | CONNECTION: Direct — Penrose tiling's vertex angles are multiples of 36° (π/5), yielding ratios 0.618 (φ⁻¹) and 1.618 (φ) in tile areas and edge lengths; the tiling's self-similarity under scaling by φ² embeds golden ratio conjugate; 5-fold symmetry relates to icosahedral root system H₃ (not crystallographic in 3D Euclidean lattices, but valid in quasicrystals); Orch-OR proposes microtubule quantum coherence with orchestrated reduction at ~10⁻¹⁴ s, Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
This publication proposes a definition and a classification of agile software development approaches and analyses ten software development methods that can be characterized as being "agile" against the defined criterion.
P. Abrahamsson, O. Salo, Jussi Ronkainen et al.· arXiv.org· 727 citations· ⚡54
The study shows that agile practices improve both informal and formal communication, but indicates that, in larger development situations involving multiple external stakeholders, a mismatch of adequate communication mechanisms can sometimes even hinder the communication.
M. Pikkarainen, Jukka Haikara, O. Salo et al.· Empirical Software Engineeri...· 401 citations· ⚡48
The results indicate that software engineering work practices are chosen opportunistically, adapted and configured to provide value under the constrains imposed by the startup context.
Nicolò Paternoster, Carmine Giardino, M. Unterkalmsteiner et al.· Information and Software Tec...· 394 citations· ⚡54
The perception of the impact of agile methods is predominantly positive, and several challenge areas were discovered, but based on this study, agile methods are here to stay.
M. Laanti, O. Salo, P. Abrahamsson· Information and Software Tec...· 260 citations· ⚡20
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