Stability of mathematical quasicrystals under statistical convergence
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arXiv
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866914215278673920 |
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| author | Viera, Rodolfo |
| author_facet | Viera, Rodolfo |
| contents | In this work, we prove that if a uniformly separated sequence in $\mathbb{R}^d$ is uniformly quasicrystalline and converges rapidly enough to a discrete set $X$ in $\mathbb{R}^d$ having the same separation radius as the sequence, then $X$ is also a quasicrystal. The convergence is addressed for a distance that quantifies the statistical closeness between two uniformly discrete point sets in $\mathbb{R}^d$. Furthermore, motivated by the robustness of quasicrystals under random perturbations, we establish the continuity, for this distance, of the Fourier Transform of quasicrystals. This continuity result, in turn, allows us to rigorously demonstrate that established robustness properties of quasicrystals against random errors remain stable under the statistical convergence considered. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_19854 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Stability of mathematical quasicrystals under statistical convergence Viera, Rodolfo Mathematical Physics Functional Analysis Metric Geometry Probability 52C23 (Primary), 42B10, 28C05 In this work, we prove that if a uniformly separated sequence in $\mathbb{R}^d$ is uniformly quasicrystalline and converges rapidly enough to a discrete set $X$ in $\mathbb{R}^d$ having the same separation radius as the sequence, then $X$ is also a quasicrystal. The convergence is addressed for a distance that quantifies the statistical closeness between two uniformly discrete point sets in $\mathbb{R}^d$. Furthermore, motivated by the robustness of quasicrystals under random perturbations, we establish the continuity, for this distance, of the Fourier Transform of quasicrystals. This continuity result, in turn, allows us to rigorously demonstrate that established robustness properties of quasicrystals against random errors remain stable under the statistical convergence considered. |
| title | Stability of mathematical quasicrystals under statistical convergence |
| topic | Mathematical Physics Functional Analysis Metric Geometry Probability 52C23 (Primary), 42B10, 28C05 |
| url | https://arxiv.org/abs/2512.19854 |