Results 51 to 60 of about 422,054 (167)

Various notions of topological transitivity in non-autonomous discrete dynamical systems

open access: yesApplied General Topology
We consider various strengthenings of the notion of topological transitivity in non-autonomous discrete dynamical systems. We give many equivalent conditions foreach of these notions and present the implications among them. We also considerrearrangements
Chiranjeevi Perikala, Rameshwari Gupta
doaj   +1 more source

Disjoint topological transitivity for cosine operator functions on groups

open access: yes, 2017
In this paper, we study a finite sequences of operators, generated by the powers of weighted translations on discrete groups, and give a sufficient condition for such sequences to be disjoint topologically transitive in terms of the group element and ...
Chung-chuan Chen
semanticscholar   +1 more source

Volume Quantization with Flexible Singularities for Hexahedral Meshing

open access: yesComputer Graphics Forum, EarlyView.
Abstract We present a novel algorithm for quantization and subsequent hexahedral mesh generation from seamless volumetric maps. Quantization is the process of choosing integers that represent the numbers of hexahedral elements to be placed in each region of the volume, and transforming the seamless map into an integer‐grid map matching that choice ...
H. Brückler, M. Campen
wiley   +1 more source

Clusterix: A Hybrid Visualization Model for Hierarchically Clustered Networks

open access: yesComputer Graphics Forum, EarlyView.
Abstract We introduce Clusterix, a novel hybrid visualization model for representing hierarchically clustered networks, which also supports directed and weighted edges. Clusterix offers an integrated view of both the network and its full cluster hierarchy by compactly visualizing the cluster inclusion tree enriched with links of the network.
Carla Binucci   +6 more
wiley   +1 more source

Topological phase transition at the interface of a topological with a conventional insulator

open access: yesJournal of Physics: Condensed Matter, 2020
Abstract We study the topological states which appear at the interface between a topological insulator (TI) and a conventional insulator (CI) using effective Hamiltonians which accurately describe the band structure of the Bi 2 Se 3 ...
Niraj Aryal, Efstratios Manousakis
openaire   +3 more sources

The Story(line) So Far: A Survey on Storyline Visualization

open access: yesComputer Graphics Forum, EarlyView.
Abstract Storyline visualizations model narratives as temporal networks, using x‐monotone lines to represent entities and their interactions over time. This technique offers an intuitive way to reveal structural patterns over time, such as character co‐occurrence and narrative flow.
S. Di Bartolomeo   +4 more
wiley   +1 more source

TRANSITIVITY IN POINT-FREE TOPOLOGY [PDF]

open access: yesBulletin of the Australian Mathematical Society, 2009
AbstractThe main purpose of this paper is to develop a point-free notion of topological transitivity. First, we define transitive frame maps and transitive completely prime filters inFrm, the category of frames and frame maps. Then we discuss the relationship between these notions inFrmand the notions of topological transitive and transitive points ...
openaire   +1 more source

Functional and Structural Connectome Features for Machine Learning Chemo-Brain Prediction in Women Treated for Breast Cancer with Chemotherapy

open access: yesBrain Sciences, 2020
Breast cancer is the leading cancer among women worldwide, and a high number of breast cancer patients are struggling with psychological and cognitive disorders.
Vincent Chin-Hung Chen   +4 more
doaj   +1 more source

Is Time Travel Possible? Accidental Signs as Sociolinguistic “Wormholes”

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT Sociolinguistics primarily focuses on deliberately staged public signs, while relatively less attention has been given to ephemeral and non‐deliberate signs in urban environments. This study investigates “ accidental signs,” which are hidden historical texts suddenly exposed by unpredictable events.
Ge SONG (宋歌)
wiley   +1 more source

Geometric Assortative Growth Model for Small-World Networks

open access: yesThe Scientific World Journal, 2014
It has been shown that both humanly constructed and natural networks are often characterized by small-world phenomenon and assortative mixing. In this paper, we propose a geometrically growing model for small-world networks.
Yilun Shang
doaj   +1 more source

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