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Fractal Geometry and Stochastics VIInterpolating Between Dimensions

Fractal Geometry and Stochastics VI: Interpolating Between Dimensions [Dimension theory lies at the heart of fractal geometry and concerns the rigorous quantification of how large a subset of a metric space is. There are many notions of dimension to consider, and part of the richness of the subject is in understanding how these different notions fit together, as well as how their subtle differences give rise to different behaviour. Here we survey a new approach in dimension theory, which seeks to unify the study of individual dimensions by viewing them as different facets of the same object. For example, given two notions of dimension, one may be able to define a continuously parameterised family of dimensions which interpolates between them. An understanding of this ‘interpolation function’ therefore contains more information about a given object than the two dimensions considered in isolation. We pay particular attention to two concrete examples of this, namely the Assouad spectrum, which interpolates between the box and (quasi-)Assouad dimension, and the intermediate dimensions, which interpolate between the Hausdorff and box dimensions.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Fractal Geometry and Stochastics VIInterpolating Between Dimensions

Part of the Progress in Probability Book Series (volume 76)
Editors: Freiberg, Uta; Hambly, Ben; Hinz, Michael; Winter, Steffen

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References (31)

Publisher
Springer International Publishing
Copyright
© Springer Nature Switzerland AG 2021
ISBN
978-3-030-59648-4
Pages
3 –24
DOI
10.1007/978-3-030-59649-1_1
Publisher site
See Chapter on Publisher Site

Abstract

[Dimension theory lies at the heart of fractal geometry and concerns the rigorous quantification of how large a subset of a metric space is. There are many notions of dimension to consider, and part of the richness of the subject is in understanding how these different notions fit together, as well as how their subtle differences give rise to different behaviour. Here we survey a new approach in dimension theory, which seeks to unify the study of individual dimensions by viewing them as different facets of the same object. For example, given two notions of dimension, one may be able to define a continuously parameterised family of dimensions which interpolates between them. An understanding of this ‘interpolation function’ therefore contains more information about a given object than the two dimensions considered in isolation. We pay particular attention to two concrete examples of this, namely the Assouad spectrum, which interpolates between the box and (quasi-)Assouad dimension, and the intermediate dimensions, which interpolate between the Hausdorff and box dimensions.]

Published: Mar 24, 2021

Keywords: Dimension theory; Hausdorff dimension; Box dimension; Assouad dimension; Assouad spectrum; Intermediate dimensions; Primary: 28A80; Secondary: 37C45

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