Hilbert entropy for measuring the complexity of high-dimensional systems
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866918366354079744 |
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| author | Im, Seong-Gyun Kang, Taewoo Kwon, S. Joon |
| author_facet | Im, Seong-Gyun Kang, Taewoo Kwon, S. Joon |
| contents | Measuring the complexity of high-dimensional data in physical systems becomes a critical factor in determining the information and quality of the systems. However, traditional metrics, such as Lyapunov exponent, fractal dimension, and information entropy, are limited in measuring contextual higher-dimensional data in that they do not elucidate the intrinsic nature of physical systems. Herein, we introduce a novel methodology for quantifying the complexity of high-dimensional data through dimension reduction yet retaining context using a space-filling curve such as the Hilbert curve along with generalized entropy measures. We validate this methodology in measuring critical phenomena, including phase transitions in spin and percolation models. Our findings demonstrate a high degree of concordance between the Hilbert entropy and theoretical phase transition points. Moreover, we further proceed to an exploration of the hidden relationship between the Hilbert entropy and the fractal dimension, such as a linear relationship between scaling exponent and the Euclidean dimension of scale-invariant 2D/3D geometries. The present methodology offers a promising new framework for understanding and analyzing complex systems in higher dimensions, with potential applications across various fields of physics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_01798 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Hilbert entropy for measuring the complexity of high-dimensional systems Im, Seong-Gyun Kang, Taewoo Kwon, S. Joon Physics and Society Data Analysis, Statistics and Probability Measuring the complexity of high-dimensional data in physical systems becomes a critical factor in determining the information and quality of the systems. However, traditional metrics, such as Lyapunov exponent, fractal dimension, and information entropy, are limited in measuring contextual higher-dimensional data in that they do not elucidate the intrinsic nature of physical systems. Herein, we introduce a novel methodology for quantifying the complexity of high-dimensional data through dimension reduction yet retaining context using a space-filling curve such as the Hilbert curve along with generalized entropy measures. We validate this methodology in measuring critical phenomena, including phase transitions in spin and percolation models. Our findings demonstrate a high degree of concordance between the Hilbert entropy and theoretical phase transition points. Moreover, we further proceed to an exploration of the hidden relationship between the Hilbert entropy and the fractal dimension, such as a linear relationship between scaling exponent and the Euclidean dimension of scale-invariant 2D/3D geometries. The present methodology offers a promising new framework for understanding and analyzing complex systems in higher dimensions, with potential applications across various fields of physics. |
| title | Hilbert entropy for measuring the complexity of high-dimensional systems |
| topic | Physics and Society Data Analysis, Statistics and Probability |
| url | https://arxiv.org/abs/2603.01798 |