Month: December 2022

Systems At Play: The Self-Organising Symposium on Self-Organisation (SOSOSO). Brussels, Feb. 15-18 2023

The Center Leo Apostel for Transdisciplinary Studies (CLEA) at the Vrije Universiteit Brussel (VUB) organises its first international artscience conference: ‘Systems At Play: A Self-Organising Symposium on Self-Organisation’ taking place in Brussels from February 15th until 18th, 2023. 

The ‘Systems at Play’ symposium starts from the understanding that art and science are mutually beneficial means of perception and insight creation. It thus provides a transdisciplinary contact zone for artists and scientists to meet, exchange, think, share, take time, and, ultimately, play together.

Then, what shall we talk and play about? Well, it’s up to you where it ends up, but our starting points are the ideas of ‘emergence’, ‘self-organisation’, and ‘goal-directedness’.

As far as goals go, the symposium invites you to tackle creative challenges collectively. During the symposium, participating artists and scientists will together create ‘embodied models of emergence’ in the form of live games, scores, presentations, conversations or small algorithmic performances. We will offer inputs to this process in the form of presentations, talks and workshops during the day; as well as an evening programme of immersive and interactive performances and film screenings. 

More at: clea.research.vub.be

A two-phase model of collective memory decay with a dynamical switching point

Naoki Igarashi, Yukihiko Okada, Hiroki Sayama & Yukie Sano 
Scientific Reports volume 12, Article number: 21484 (2022)

Public memories of significant events shared within societies and groups have been conceptualized and studied as collective memory since the 1920s. Thanks to the recent advancement in digitization of public-domain knowledge and online user behaviors, collective memory has now become a subject of rigorous quantitative investigation using large-scale empirical data. Earlier studies, however, typically considered only one dynamical process applied to data obtained in just one specific event category. Here we propose a two-phase mathematical model of collective memory decay that combines exponential and power-law phases, which represent fast (linear) and slow (nonlinear) decay dynamics, respectively. We applied the proposed model to the Wikipedia page view data for articles on significant events in five categories: earthquakes, deaths of notable persons, aviation accidents, mass murder incidents, and terrorist attacks. Results showed that the proposed two-phase model compared favorably with other existing models of collective memory decay in most of the event categories. The estimated model parameters were found to be similar across all the event categories. The proposed model also allowed for detection of a dynamical switching point when the dominant decay dynamics exhibit a phase shift from exponential to power-law. Such decay phase shifts typically occurred about 10 to 11 days after the peak in all of the five event categories.

Read the full article at: www.nature.com

14th International Conference on ​Complex Networks COMPLENET 2023 April 25 – 28 2023

The International Conference on Complex Networks (CompleNet) brings together researchers and practitioners from diverse disciplines working on areas related to complex networks. CompleNet has been an active conference since 2009. In its 14th year, and after being an online event for three years due to the COVID-19 pandemic, we are very enthusiastic about reuniting in-person and delighted to have the next CompleNet in Aveiro, Portugal, hosted by Universidade de Aveiro. 
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​Over the past two decades, we have witnessed an exponential increase in the number of publications and research centers dedicated to this field. From biological systems to computer science, from technical to informational networks, and from economic to social systems, complex networks are becoming pervasive for dozens of applications. It is the interdisciplinary nature of complex networks that CompleNet aims to capture and celebrate.​
The CompleNet conference is one of the most cherished events by scientists in our field. Maybe it is because of its motivating format, consisting of all plenary sessions; or perhaps the reason is that it finds the perfect balance between young and senior participation, or maybe it is just the quality of the work presented. Whatever your reason is, we hope that you will join us at the 2023 Event. Welcome to CompleNet 2023!

Read the full article at: complenet.weebly.com

Courses: Complex Systems Summer School | Santa Fe Institute

June 11 – July 7, 2023.

Complex Systems Summer School (CSSS) offers an intensive four-week introduction to complex behavior in mathematical, physical, living, and social systems. CSSS brings together graduate students, postdoctoral fellows, and professionals to transcend disciplinary boundaries, take intellectual risks, and ask big questions about complex systems. The residential program comprises a series of lectures and workshops devoted to theory and tools, applications-focused seminars, and discussions with faculty and fellow participants. CSSS participants put what they learn from these didactic sessions into practice through group research projects, conducted throughout the program and often extending into manuscripts and longer-term collaborations. CSSS provides an unparalleled opportunity for early-career researchers to expand their professional networks, produce a novel research product, and gain valuable experience working in transdisciplinary teams.

More at: www.santafe.edu