Negative-dimensional space
In topology, a branch of mathematics, a negative-dimensional space is an extension of the usual notion of space, allowing for negative dimensions.[1] The concept of negative-dimensional spaces is applied, for example, to analyze linguistic statistics.[2]
Example[edit]
Suppose that Mt0 is a compact space of Hausdorff dimension t0, which is an element of a scale of compact spaces embedded in each other and parametrized by t (0 < t < ∞). Such scales are considered equivalent with respect to Mt0 if the compact spaces constituting them coincide for t ≥ t0. It is said that the compact space Mt0 is the hole in this equivalent set of scales, and −t0 is the negative dimension of the corresponding equivalence class.[3]
History[edit]
 | This section contains too many or too-lengthy quotations for an encyclopedic entry. (January 2021) |
By the 1940s, topology had developed and studied a thorough basic theory of topological spaces of positive dimension. Motivated by computations, and to some extent aesthetics, topologists searched for mathematical frameworks that extended our notion of space to allow for negative dimensions. Such dimensions, as well as the fourth and higher dimensions, are hard to imagine since we are not able to directly observe them. It wasn’t until the 1960s that a special topological framework was constructed—the category of spectra.
— Luke Wolcott, "Imagining Negative-Dimensional Space", Proceedings of Bridges 2012: Mathematics, Music, Art, Architecture, Culture (2012)
A spectrum is a generalization of space that allows for negative dimensions.
See also[edit]
References[edit]
- ↑ Wolcott, Luke; McTernan, Elizabeth (2012). "Imagining Negative-Dimensional Space" (PDF). In Bosch, Robert; McKenna, Douglas; Sarhangi, Reza. Proceedings of Bridges 2012: Mathematics, Music, Art, Architecture, Culture. Phoenix, Arizona, USA: Tessellations Publishing. pp. 637–642. ISBN 978-1-938664-00-7. ISSN 1099-6702. Retrieved 25 June 2015.
- ↑ Maslov, Viktor Pavlovich (19 December 2006). "Negative dimension in general and asymptotic topology". arXiv:math/0612543. Bibcode:2006math.....12543M
- ↑ Maslov, Viktor Pavlovich (February 2007). "General notion of a topological space of negative dimension and quantization of its density". Mathematical Notes. 81 (1–2): 140–144. doi:10.1134/S0001434607010166. Unknown parameter
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External links[edit]
- Maslov, Viktor Pavlovich (November 2006). "Отрицательная асимптотическая топологическая размерность, новый конденсат и их связь с квантованным законом Ципфа" (PDF). Mathematical Notes (in Russian). 80 (5–6): 806–813. doi:10.4213/mzm3362.CS1 maint: Unrecognized language (link) For a translation into English, see Maslov, Viktor Pavlovich (November 2006). "Negative asymptotic topological dimension, a new condensate, and their relation to the quantized Zipf law". Mathematical Notes. 80 (5–6): 806–813. doi:10.1007/s11006-006-0203-7. Unknown parameter
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