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The local theory of complex dimensions describes the oscillations in the geometry (spectra and dynamics) of fractal strings. Such geometric oscillations can be seen most clearly in the explicit volume formula for the tubular neighborhoods…

数学物理 · 物理学 2018-10-15 Michel L. Lapidus , Lũ' Hùng , Machiel van Frankenhuijsen

We give a brief overview of the theory of complex dimensions of real (archimedean) fractal strings via an illustrative example, the ordinary Cantor string, and a detailed survey of the theory of p-adic (nonarchimedean) fractal strings and…

度量几何 · 数学 2011-05-17 Michel L. Lapidus , Hung Lu

The local theory of complex dimensions for real and $p$-adic fractal strings describes oscillations that are intrinsic to the geometry, dynamics and spectrum of archimedean and nonarchimedean fractal strings. We aim to develop a global…

数论 · 数学 2020-12-22 Michel L. Lapidus , Hùng Lũ' , Machiel van Frankenhuijsen

We establish pointwise and distributional fractal tube formulas for a large class of compact subsets of Euclidean spaces of arbitrary dimensions. These formulas are expressed as sums of residues of suitable meromorphic functions over the…

数学物理 · 物理学 2018-09-13 Michel L. Lapidus , Goran Radunović , Darko Žubrinić

We establish pointwise and distributional fractal tube formulas for a large class of relative fractal drums in Euclidean spaces of arbitrary dimensions. A relative fractal drum (or RFD, in short) is an ordered pair $(A,\Omega)$ of subsets…

数学物理 · 物理学 2023-04-27 Michel L. Lapidus , Goran Radunović , Darko Žubrinić

The theory of complex dimensions of fractal strings developed by Lapidus and van Frankenhuijsen has proven to be a powerful tool for the study of Minkowski measurability of fractal subsets of the real line. In a very general setting, the…

数学物理 · 物理学 2016-10-31 Kristin Dettmers , Robert Giza , Christina Knox , Rafael Morales , John A. Rock

We establish a Minkowski measurability criterion for a large class of relative fractal drums (or, in short, RFDs), in Euclidean spaces of arbitrary dimension in terms of their complex dimensions, which are defined as the poles of their…

数学物理 · 物理学 2023-04-27 Michel L. Lapidus , Goran Radunović , Darko Žubrinić

In 2009, the first author introduced a class of zeta functions, called `distance zeta functions', which has enabled us to extend the existing theory of zeta functions of fractal strings and sprays (initiated by the first author and his…

复变函数 · 数学 2015-06-16 Michel L. Lapidus , Goran Radunović , Darko Žubrinić

M. Lapidus and C. Pomerance (1990-1993) and K.J. Falconer (1995) proved that a self-similar fractal in $\mathbb{R}$ is Minkowski-measurable iff it is of non-lattice type. D. Gatzouras (1999) proved that a self-similar fractal in…

度量几何 · 数学 2010-07-01 Ali Deniz , Sahin Kocak , Yunus Ozdemir , Andrei V. Ratiu , A. Ersin Ureyen

We use the self-similar tilings constructed by the second author in "Canonical self-affine tilings by iterated function systems" to define a generating function for the geometry of a self-similar set in Euclidean space. This tubular zeta…

动力系统 · 数学 2011-02-01 Michel L. Lapidus , Erin P. J. Pearse

We study Minkowski contents and fractal curvatures of arbitrary self-similar tilings (constructed on a feasible open set of an IFS) and the general relations to the corresponding functionals for self-similar sets. In particular, we…

度量几何 · 数学 2014-08-07 Steffen Winter

Tube formulas (by which we mean an explicit formula for the volume of an $\epsilon$-neighbourhood of a subset of a suitable metric space) have been used in many situations to study properties of the subset. For smooth submanifolds of…

动力系统 · 数学 2010-07-30 Michel L. Lapidus , Erin P. J. Pearse

In a previous paper by the first two authors, a tube formula for fractal sprays was obtained which also applies to a certain class of self-similar fractals. The proof of this formula uses distributional techniques and requires fairly strong…

度量几何 · 数学 2011-04-18 Michel L. Lapidus , Erin P. J. Pearse , Steffen Winter

Beginning with the most general fractal strings/sprays construction recently expounded in the book by Lapidus and Frankenhuysen, it is shown how the complexified extension of El Naschie's Cantorian-Fractal spacetime model belongs to a very…

高能物理 - 理论 · 物理学 2007-05-23 Carlos Castro

We give a generalization of Lagarias' formula for diffraction by ideal crystals, and we apply it to the lattice case, in preparation for addressing the problem of quasicrystals and complex dimensions posed by Lapidus and van Frankenhuijsen…

数学物理 · 物理学 2024-07-30 Michel L. Lapidus , Machiel van Frankenhuijsen , Edward K. Voskanian

In a previous paper [arXiv:1006.3807], the authors obtained tube formulas for certain fractals under rather general conditions. Based on these formulas, we give here a characterization of Minkowski measurability of a certain class of…

度量几何 · 数学 2014-01-07 Michel L. Lapidus , Erin P. J. Pearse , Steffen Winter

The theory of 'zeta functions of fractal strings' has been initiated by the first author in the early 1990s, and developed jointly with his collaborators during almost two decades of intensive research in numerous articles and several…

数学物理 · 物理学 2015-01-13 Michel L. Lapidus , Goran Radunović , Darko Žubrinić

We discuss a number of techniques for determining the Minkowski dimension of bounded subsets of some Euclidean space of any dimension, including: the box-counting dimension and equivalent definitions based on various box-counting functions;…

数学物理 · 物理学 2013-02-04 Michel L. Lapidus , John A. Rock , Darko Žubrinić

A long-standing conjecture of Lapidus asserts that, under certain conditions, a self-similar fractal set is not Minkowski measurable if and only if it is of lattice-type. For self-similar sets in $\mathbb{R}$, the Lapidus conjecture has…

度量几何 · 数学 2025-06-04 Uta Freiberg , Jonas Lippold

For self-similar fractals, the Minkowski content and fractal curvature have been introduced as a suitable limit of the geometric characteristics of its parallel sets, i.e., of uniformly thin coatings of the fractal. For some self-conformal…

度量几何 · 数学 2015-03-13 Tilman Johannes Bohl
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