Results 31 to 40 of about 2,657,287 (122)

Apollonian Circle Packings: Geometry and Group Theory I. The Apollonian Group [PDF]

open access: yes, 2005
Apollonian circle packings arise by repeatedly filling the intersticesbetween four mutually tangent circles with further tangent circles.We observe that there exist Apollonian packings which have strong integralityproperties, in which all circles in the ...
Colin L. Mallows   +9 more
core   +1 more source

Type-II Apollonian Model

open access: yes, 2023
The family of planar graphs is a particularly important family and models many real-world networks. In this paper, we propose a principled framework based on the widely-known Apollonian packing process to generate new planar network, i.e., Type-II ...
Ouyang, Jinzhi   +4 more
core  

Apollonian emulsions

open access: yes, 2020
We have discovered the existence of extremely polydisperse High Internal-Phase-Ratio Emulsions (HIPEs) in which the internal-phase droplets, present at 95% volume fraction, remain spherical and organize themselves in the available space according to ...
Botet, Robert   +7 more
core   +1 more source

Statistical regularity of Apollonian gaskets

open access: yes, 2021
Apollonian gaskets are formed by repeatedly filling the gaps between three mutually tangent circles with further tangent circles. In this paper we give explicit formulas for the limiting pair correlation and the limiting nearest neighbor spacing of ...
Zhang, X
core   +1 more source

Universal Optimality of Apollonian Cell Encoders [PDF]

open access: yes, 2018
Preserving privacy of private communication against an attacker is a fundamental concern of computer science security. Unconditional encryption considers the case where an attacker has unlimited computational power, hence no complexity result can be ...
Biondi, Fabrizio   +5 more
core   +1 more source

On Certain Properties of Random Apollonian Networks

open access: yes, 2018
In this work we analyze fundamental properties of Random Apollonian Networks [34,35], a popular random graph model which generates planar graphs with power law properties.
Alan Frieze (3880564)   +1 more
core   +1 more source

Energy landscapes, scale-free networks and Apollonian packings

open access: yes, 2006
We review recent results on the topological properties of two spatial scale-free networks, the inherent structure and Apollonian networks. The similarities between these two types of network suggest an explanation for the scale-free character of the ...
Doye, Jonathan, Massen, CP, Doye, JPK
core   +1 more source

High dimensional Apollonian networks

open access: yes, 2008
. We propose a simple algorithm which produces high dimensional Apollonian networks with both small-world and scale-free characteristics. We derive analytical expressions for the degree distribution, the clustering coefficient and the diameter of the ...
Guillaume Fertin   +3 more
core  

Long paths in random Apollonian networks

open access: yes, 2014
We consider the length L(n) of the longest path in a randomly generated Apollonian Network (ApN) An. We show that w.h.p. L(n) ≤ ne − logc n for any constant c < 2/3.
Cooper, Colin   +5 more
core   +1 more source

Degrees and distances in random and evolving apollonian networks

open access: yes, 2016
In this paper we study random Apollonian networks (RANs) and evolving Apollonian networks (EANs), in d dimensions for any d ≥ 2, i.e. dynamically evolving random ddimensional simplices, looked at as graphs inside an initial d-dimensional simplex.
Komjáthy;, Júlia   +3 more
core   +1 more source

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