stable network
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2021 ◽  
Vol 2 (2) ◽  
pp. 232
Author(s):  
Indah Nopita Sari ◽  
Annisa Prima Exacta

This study aims to determine the results of implementing the Moodle application as a distance learning medium for students who cannot do face-to-face learning, due to the COVID-19 pandemic. This type of research is a qualitative descriptive with a frequency distribution, which is concluded based on the data obtained during the study. The sample studied was 21 students. The results of the study found that there were 16.9% of students answered strongly agree; 45.5% of students answered agree; 30.7% of students answered disagree; 6.9% of students answered strongly disagree. Some students who answered disagreed or strongly disagreed had problems, namely not having a cellphone/laptop, unstable internet network, and expensive data packages. Educators must carefully prepare the material to be delivered and students must look for a stable network location. In conclusion, using Moodle as a distance learning medium is very effective, to support learning activities that cannot be carried out during the COVID-19 pandemic. The availability of infrastructure is very necessary so that learning objectives can be realized.


Cells ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 15
Author(s):  
Azumi Yoshimura ◽  
Stéphanie Miserey-Lenkei ◽  
Evelyne Coudrier ◽  
Bruno Goud

In the early secretory pathway, the delivery of anterograde cargoes from the endoplasmic reticulum (ER) exit sites (ERES) to the Golgi apparatus is a multi-step transport process occurring via the ER-Golgi intermediate compartment (IC, also called ERGIC). While the role microtubules in ER-to-Golgi transport has been well established, how the actin cytoskeleton contributes to this process remains poorly understood. Here, we report that Arp2/3 inhibition affects the network of acetylated microtubules around the Golgi and induces the accumulation of unusually long RAB1/GM130-positive carriers around the centrosome. These long carriers are less prone to reach the Golgi apparatus, and arrival of anterograde cargoes to the Golgi is decreased upon Arp2/3 inhibition. Our data suggest that Arp2/3-dependent actin polymerization maintains a stable network of acetylated microtubules, which ensures efficient cargo trafficking at the late stage of ER to Golgi transport.


2021 ◽  
Author(s):  
◽  
Oliver Chan

<p>‘The Unsettled Landscape’ considers an alternative sustainable manner in which communities can settle New Zealand’s coastland. Living at the ocean edge is ingrained in the way many of our urban settlements have formed, and is intricately linked with how we define ourselves. Unfortunately the way these places have manifested in reality has produced ecological barriers to natural cycles paramount to ecosystem health. Sea walls, housing, roads and many other infrastructural typologies resist the natural ‘flux’ of these areas, which results in dysfunctional ecosystems as well as putting residents of these places at risk of numerous threats which occur along these interface sites. Earthquakes, river movement, erosion, sea level rise, flooding and the continual movement of the dunes are just some of the issues coastal settlements face. The conflict forms where the sought after coastal environments are applied to in a permanent manner that is irresponsive of a landscape which functions in a most dynamic way.  This thesis looks towards the geomorphological patterns in the coast as an indicator for how a complete shift in infrastructural application might occur responsively. This new fabric distinguishes stable components in this shifting landscape, utilising them as a stable network from which settlement can develop. This network could become the basis of more responsive settlements, stronger communities, and will act as a way to future proof inhabitation of these fragile yet hazardous places. Design research explores the physical as well as intangible aspects of settlement application, and focuses on communities forming the ‘real’ foundation of these temporal environments. Responsive communities arise ‘reactively’ avoiding hazards, and allowing inhabitants to take advantage of what these precious sites offer.</p>


2021 ◽  
Author(s):  
◽  
Oliver Chan

<p>‘The Unsettled Landscape’ considers an alternative sustainable manner in which communities can settle New Zealand’s coastland. Living at the ocean edge is ingrained in the way many of our urban settlements have formed, and is intricately linked with how we define ourselves. Unfortunately the way these places have manifested in reality has produced ecological barriers to natural cycles paramount to ecosystem health. Sea walls, housing, roads and many other infrastructural typologies resist the natural ‘flux’ of these areas, which results in dysfunctional ecosystems as well as putting residents of these places at risk of numerous threats which occur along these interface sites. Earthquakes, river movement, erosion, sea level rise, flooding and the continual movement of the dunes are just some of the issues coastal settlements face. The conflict forms where the sought after coastal environments are applied to in a permanent manner that is irresponsive of a landscape which functions in a most dynamic way.  This thesis looks towards the geomorphological patterns in the coast as an indicator for how a complete shift in infrastructural application might occur responsively. This new fabric distinguishes stable components in this shifting landscape, utilising them as a stable network from which settlement can develop. This network could become the basis of more responsive settlements, stronger communities, and will act as a way to future proof inhabitation of these fragile yet hazardous places. Design research explores the physical as well as intangible aspects of settlement application, and focuses on communities forming the ‘real’ foundation of these temporal environments. Responsive communities arise ‘reactively’ avoiding hazards, and allowing inhabitants to take advantage of what these precious sites offer.</p>


Author(s):  
Chenghong Luo ◽  
Ana Mauleon ◽  
Vincent Vannetelbosch

AbstractWe propose the notion of coalition-proof stability for predicting the networks that could emerge when group deviations are allowed. A network is coalition-proof stable if there exists no coalition which has a credible group deviation. A coalition is said to have a credible group deviation if there is a profitable group deviation to some network and there is no subcoalition of the deviating players which has a subsequent credible group deviation. Coalition-proof stability is a coarsening of strong stability. We emphasize the importance of coalition-proof stability by considering four models where a strongly stable network fails to exist while a coalition-proof stable network does exist. We provide an easy to verify condition for the existence of a coalition-proof stable network while a strongly stable network may not exist. There is no relationship between the set of coalition-proof stable networks and the set of networks induced by a coalition-proof Nash equilibrium of Myerson’s linking game.


Polymer ◽  
2021 ◽  
pp. 124185
Author(s):  
Maozhu Tang ◽  
Si-jie Bai ◽  
Ran Xu ◽  
Rong Zhang ◽  
Shi-Qi Li ◽  
...  
Keyword(s):  

2021 ◽  
pp. 105-119
Author(s):  
Donald Leinster-Mackay
Keyword(s):  

Author(s):  
Sairah Sairah

<p><em>This research aims to describe implementation of system-based thematic learning, in terms of supporting and inhibiting factors, efforts to optimize supporting factors, and overcoming inhibiting factors. This research was conducted at thrid grade SDN Karangmangu 02 Kab Tegal. This research used descriptive qualitative methods. The subjects of this research were teachers, students, and parents. Data collection techniques were observation, interviews, and document study. Implementation of online system-based thematic learning to regard condition of students and parents considerations. In implementation there are supporting factors are interest in learning, maximum parental assistance, availability of mobile phones, internet quota, and a stable network. While the inhibiting factors are lazy to learn, less maximal parental assistance, limited cellphone facilities, internet quota limited, and unstable network. Efforts to optimize the supporting factors are motivation and data collection on the distribution of internet quota assistance on a regular basis. Efforts to overcome inhibiting factors are teacher motivation and assistance, between parents and students, as well as the role of the community. This research is important for improve learning during the Covid-19 pandemic.</em></p>


Information ◽  
2021 ◽  
Vol 12 (6) ◽  
pp. 254
Author(s):  
Matthew Connor ◽  
Othon Michail ◽  
Paul Spirakis

We study the class of networks, which can be created in polylogarithmic parallel time by network constructors: groups of anonymous agents that interact randomly under a uniform random scheduler with the ability to form connections between each other. Starting from an empty network, the goal is to construct a stable network that belongs to a given family. We prove that the class of trees where each node has any k≥2 children can be constructed in O(logn) parallel time with high probability. We show that constructing networks that are k-regular is Ω(n) time, but a minimal relaxation to (l,k)-regular networks, where l=k−1, can be constructed in polylogarithmic parallel time for any fixed k, where k>2. We further demonstrate that when the finite-state assumption is relaxed and k is allowed to grow with n, then k=loglogn acts as a threshold above which network construction is, again, polynomial time. We use this to provide a partial characterisation of the class of polylogarithmic time network constructors.


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