Results 271 to 280 of about 1,037,799 (310)
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Minimal self-joinings and positive topological entropy

Monatshefte f�r Mathematik, 1995
We show that the properties of almost minimal self-joinings and strong almost minimal self-joinings, introduced by del Junco in Topological Dynamics, are compatible with positive topological entropy, as opposed to the stronger property of minimal self-joinings. This is done both by proving existence theorems and by explicitly constructing some symbolic
Eli Glasner   +2 more
openaire   +2 more sources

Monitoring the Impact of the Nodes Density on the MANETs’ Environment

2022 5th International Conference on Engineering Technology and its Applications (IICETA), 2022
MANETs (Mobile Ad-hoc Networks) are self-contained systems that can function without the use of centralized controllers, pre-configured paths/routes, or advanced communication structures.
Ali Hassan Alwan   +8 more
semanticscholar   +1 more source

Parallel in-memory trajectory-based spatiotemporal topological join

2015 IEEE International Conference on Big Data (Big Data), 2015
The rapid growth of spatiotemporal Big Data is fueling the emergence and growth of many applications. Many of these applications are characterized by complex spatiotemporal queries. An important category of such queries is the trajectory-based spatiotemporal topological join queries, which combine a trajectory dataset and a spatial objects dataset ...
Rolando Blanco   +4 more
openaire   +2 more sources

Topology in chemistry: designing Möbius molecules.

Chemical Reviews, 2006
In 1747, Johann Sebastian Bach wrote a series of canons and fugues on the occasion of his visit to King Frederick the Great of Prussia in Potsdam. His music of homage, the “Musikalisches Opfer” (Musical Offering, BWV1079), includes a canon that is ...
R. Herges
semanticscholar   +1 more source

Chemists join in

Nature Materials, 2013
Topological insulators have generated much interest in condensed-matter physics. The synthesis and characterization of Bi14Rh3I9, a so-called weak topological insulator, demonstrates that chemists also have much to offer to the field.
openaire   +2 more sources

A Variable Threshold-Value Authentication Architecture for Wireless Mesh Networks

, 2014
Wireless Mesh Networks (WMNs) play a very important role on "the last mile" in a variety of wireless network access with infrastructure support. It is necessary to provide guaranteed security while minimizing WMNs topology change by considering both ...
Ping Guo   +4 more
semanticscholar   +1 more source

QoS issues in ad hoc wireless networks

IEEE Communications Magazine, 2001
Ad hoc wireless networks consist of mobile nodes interconnected by multihop communication paths. Unlike conventional wireless networks, ad hoc networks have no fixed network infrastructure or administrative support.
S. Chakrabarti, A. Mishra
semanticscholar   +1 more source

Redesigning the topology of a four-helix-bundle protein: monomeric Rop.

Biochemistry, 1995
The topology of alpha-helices and beta-sheets in folded proteins is largely specified by the connectivities of the loops and turns which join them. We have used the protein Rop to test the feasibility of using short glycine-rich linkers to reconnect the ...
P. Predki, L. Regan
semanticscholar   +1 more source

The Forgotten Topological Index of Graphs Based on New Operations Related to the Join of Graphs

2018
The sum of degree cube of all the vertices of a graph is known as the F-index or the “forgotten topological index” of that graph. In the present work, we study the “forgotten topological index” of new operations of different subdivision-related graphs based on the join of graphs.
Anita Pal, Prosanta Sarkar, Nilanjan De
openaire   +2 more sources

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