Results 11 to 20 of about 17,075 (299)

APERIODIC TILING USING P SYSTEM [PDF]

open access: yesICTACT Journal on Soft Computing, 2015
Tile Pasting P System is a computational model, based on the P System model, to generate two-dimensional tiling patterns using pasting rules at the edges of the regular polygons.
S. Jebasingh   +2 more
doaj   +2 more sources

Duplication of a Single Neuron in C. elegans Reveals a Pathway for Dendrite Tiling by Mutual Repulsion [PDF]

open access: yesCell Reports, 2016
Simple cell-cell interactions can give rise to complex cellular patterns. For example, neurons of the same type can interact to create a complex patchwork of non-overlapping dendrite arbors, a pattern known as dendrite tiling.
Zhiqi Candice Yip, Maxwell G. Heiman
doaj   +2 more sources

Tackling Area Coverage Problems in a Reconfigurable Floor Cleaning Robot Based on Polyomino Tiling Theory [PDF]

open access: yesApplied Sciences, 2018
Whilst Polyomino tiling theory has been extensively studied as a branch of research in mathematics, its application has been largely confined to multimedia, graphics and gaming domains.
Veerajagadheswar Prabakaran   +4 more
doaj   +2 more sources

Graph Tilings in Incompatibility Systems

open access: yesSIAM Journal on Discrete Mathematics, 2023
An \emph{incompatibility system} $(G,\mathcal{F})$ consists of a graph $G$ and a family $\mathcal{F}=\{F_v\}_{v\in V(G)}$ over $G$ with $F_v\subseteq \{\{e,e'\}\in {E(G)\choose 2}: e\cap e'=\{v\}\}$. We say that two edges $e,e'\in E(G)$ are \emph{incompatible} if $\{e,e'\}\in F_v$ for some $v\in V(G)$, and otherwise \emph{compatible}. A subgraph $H$ of
Jie Hu, Hao Li, Yue Wang, Donglei Yang
openaire   +2 more sources

Gabor orthonormal bases, tiling and periodicity [PDF]

open access: yes, 2022
We show that if the Gabor system $\{g(x − t)e^{2\pi isx}, t\in T,s\in S\}$, is an orthonormal basis in $L^2(\mathbb{R})$ and if the window function $g$ is compactly supported, then both the time shift set $T$ and the frequency shift set $S$ must be ...
Lev, Nir   +2 more
core   +1 more source

Conjugacies for Tiling Dynamical Systems [PDF]

open access: yesCommunications in Mathematical Physics, 2004
We consider tiling dynamical systems and topological conjugacies between them. We prove that the criterion of being finite type is invariant under topological conjugacy. For substitution tiling systems under rather general conditions, including the Penrose and pinwheel systems, we show that substitutions are invertible and that conjugacies are ...
Holton, Charles   +2 more
openaire   +2 more sources

Monoparametric Tiling of Polyhedral Programs [PDF]

open access: yes, 2021
International audienceTiling is a crucial program transformation, adjusting the ops-to-bytes balance of codes to improve locality. Like parallelism, it can be applied at multiple levels.
Rajopadhye, Sanjay   +2 more
core   +2 more sources

Constructing and Visualizing Uniform Tilings

open access: yesComputers, 2023
This paper describes a system which takes user input of a pattern of regular polygons around one vertex and attempts to construct a uniform tiling with the same pattern at every vertex by adding one polygon at a time.
Nelson Max
doaj   +1 more source

ACF: An Armed CCTV Footage Dataset for Enhancing Weapon Detection

open access: yesSensors, 2022
Thailand, like other countries worldwide, has experienced instability in recent years. If current trends continue, the number of crimes endangering people or property will expand.
Narit Hnoohom   +2 more
doaj   +1 more source

Aperiodic spin chains at the boundary of hyperbolic tilings

open access: yesSciPost Physics, 2023
In view of making progress towards establishing a holographic duality for theories defined on a discrete tiling of the hyperbolic plane, we consider a recently proposed boundary spin chain Hamiltonian with aperiodic couplings that are chosen such as to ...
Pablo Basteiro, Rathindra Nath Das, Giuseppe Di Giulio, Johanna Erdmenger
doaj   +1 more source

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