Adaptation and Self-Organizing Systems

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href="/list/nlin.AO/recent">recent</a> articles</p> <h3>Showing new listings for Thursday, 28 November 2024</h3> <div class='paging'>Total of 3 entries </div> <div class='morefewer'>Showing up to 2000 entries per page: <a href=/list/nlin.AO/new?skip=0&show=1000 rel="nofollow"> fewer</a> | <span style="color: #454545">more</span> | <span style="color: #454545">all</span> </div> <dl id='articles'> <h3>New submissions (showing 1 of 1 entries)</h3> <dt> <a name='item1'>[1]</a> <a href ="/abs/2411.18103" title="Abstract" id="2411.18103"> arXiv:2411.18103 </a> [<a href="/pdf/2411.18103" title="Download PDF" id="pdf-2411.18103" aria-labelledby="pdf-2411.18103">pdf</a>, <a href="https://arxiv.org/html/2411.18103v1" title="View HTML" id="html-2411.18103" aria-labelledby="html-2411.18103" rel="noopener noreferrer" target="_blank">html</a>, <a href="/format/2411.18103" title="Other formats" id="oth-2411.18103" aria-labelledby="oth-2411.18103">other</a>] </dt> <dd> <div class='meta'> <div class='list-title mathjax'><span class='descriptor'>Title:</span> Synchronization of two bacterial flagella as a stochastic process </div> <div class='list-authors'><a href="https://arxiv.org/search/nlin?searchtype=author&query=Qin,+J">Jing Qin</a>, <a href="https://arxiv.org/search/nlin?searchtype=author&query=Uchida,+N">Nariya Uchida</a></div> <div class='list-comments mathjax'><span class='descriptor'>Comments:</span> 5 pages, 4 figures </div> <div class='list-subjects'><span class='descriptor'>Subjects:</span> <span class="primary-subject">Adaptation and Self-Organizing Systems (nlin.AO)</span>; Biological Physics (physics.bio-ph) </div> <p class='mathjax'> Synchronization with noise is important for understanding biophysical processes at nano- and micro-meter scales, such as neuron firing and beating of cilia. To understand the energetics of these processes, stochastic thermodynamics approaches are useful. Due to large fluctuations in a small system, emsemble averages of thermodynamic quantities are not sufficient to characterize the energetics of an individual sample. In this paper, we use a model for synchronization of bacterial flagella as an example, and develop an approximation method for analyzing the phase and heat dissipation in trajectories for different noise realizations. We describe the time development of the phase difference and heat dissipation as stochastic processes, and verify the analytical results by numerical simulations. </p> </div> </dd> </dl> <dl id='articles'> <h3>Replacement submissions (showing 2 of 2 entries)</h3> <dt> <a name='item2'>[2]</a> <a href ="/abs/2401.00675" title="Abstract" id="2401.00675"> arXiv:2401.00675 </a> (replaced) [<a href="/pdf/2401.00675" title="Download PDF" id="pdf-2401.00675" aria-labelledby="pdf-2401.00675">pdf</a>, <a href="https://arxiv.org/html/2401.00675v2" title="View HTML" id="html-2401.00675" aria-labelledby="html-2401.00675" rel="noopener noreferrer" target="_blank">html</a>, <a href="/format/2401.00675" title="Other formats" id="oth-2401.00675" aria-labelledby="oth-2401.00675">other</a>] </dt> <dd> <div class='meta'> <div class='list-title mathjax'><span class='descriptor'>Title:</span> Exotic synchronization in continuous time crystals outside the symmetric subspace </div> <div class='list-authors'><a href="https://arxiv.org/search/quant-ph?searchtype=author&query=Solanki,+P">Parvinder Solanki</a>, <a href="https://arxiv.org/search/quant-ph?searchtype=author&query=Krishna,+M">Midhun Krishna</a>, <a href="https://arxiv.org/search/quant-ph?searchtype=author&query=Hajdu%C5%A1ek,+M">Michal Hajdu拧ek</a>, <a href="https://arxiv.org/search/quant-ph?searchtype=author&query=Bruder,+C">Christoph Bruder</a>, <a href="https://arxiv.org/search/quant-ph?searchtype=author&query=Vinjanampathy,+S">Sai Vinjanampathy</a></div> <div class='list-comments mathjax'><span class='descriptor'>Comments:</span> 11 pages, close to accepted version </div> <div class='list-subjects'><span class='descriptor'>Subjects:</span> <span class="primary-subject">Quantum Physics (quant-ph)</span>; Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Adaptation and Self-Organizing Systems (nlin.AO) </div> <p class='mathjax'> Exploring continuous time crystals (CTCs) within the symmetric subspace of spin systems has been a subject of intensive research in recent times. Thus far, the stability of the time-crystal phase outside the symmetric subspace in such spin systems has gone largely unexplored. Here, we investigate the effect of including the asymmetric subspaces on the dynamics of CTCs in a driven dissipative spin model. This results in multistability, and the dynamics becomes dependent on the initial state. Remarkably, this multistability leads to exotic synchronization regimes such as chimera states and cluster synchronization in an ensemble of coupled identical CTCs. Interestingly, it leads to other nonlinear phenomena such as oscillation death and signature of chaos. </p> </div> </dd> <dt> <a name='item3'>[3]</a> <a href ="/abs/2405.20818" title="Abstract" id="2405.20818"> arXiv:2405.20818 </a> (replaced) [<a href="/pdf/2405.20818" title="Download PDF" id="pdf-2405.20818" aria-labelledby="pdf-2405.20818">pdf</a>, <a href="https://arxiv.org/html/2405.20818v3" title="View HTML" id="html-2405.20818" aria-labelledby="html-2405.20818" rel="noopener noreferrer" target="_blank">html</a>, <a href="/format/2405.20818" title="Other formats" id="oth-2405.20818" aria-labelledby="oth-2405.20818">other</a>] </dt> <dd> <div class='meta'> <div class='list-title mathjax'><span class='descriptor'>Title:</span> An iterated learning model of language change that mixes supervised and unsupervised learning </div> <div class='list-authors'><a href="https://arxiv.org/search/cs?searchtype=author&query=Bunyan,+J">Jack Bunyan</a>, <a href="https://arxiv.org/search/cs?searchtype=author&query=Bullock,+S">Seth Bullock</a>, <a href="https://arxiv.org/search/cs?searchtype=author&query=Houghton,+C">Conor Houghton</a></div> <div class='list-comments mathjax'><span class='descriptor'>Comments:</span> 33pages. (v2->v3 - revisions following referees report; the paper is now in press with PLoS Complex Systems) </div> <div class='list-subjects'><span class='descriptor'>Subjects:</span> <span class="primary-subject">Computation and Language (cs.CL)</span>; Adaptation and Self-Organizing Systems (nlin.AO); Populations and Evolution (q-bio.PE) </div> <p class='mathjax'> The iterated learning model is an agent model which simulates the transmission of of language from generation to generation. It is used to study how the language adapts to pressures imposed by transmission. In each iteration, a language tutor exposes a na茂ve pupil to a limited training set of utterances, each pairing a random meaning with the signal that conveys it. Then the pupil becomes a tutor for a new na茂ve pupil in the next iteration. The transmission bottleneck ensures that tutors must generalize beyond the training set that they experienced. Repeated cycles of learning and generalization can result in a language that is expressive, compositional and stable. Previously, the agents in the iterated learning model mapped signals to meanings using an artificial neural network but relied on an unrealistic and computationally expensive process of obversion to map meanings to signals. Here, both maps are neural networks, trained separately through supervised learning and together through unsupervised learning in the form of an autoencoder. This avoids the computational burden entailed in obversion and introduces a mixture of supervised and unsupervised learning as observed during language learning in children. The new model demonstrates a linear relationship between the dimensionality of meaning-signal space and effective bottleneck size and suggests that internal reflection on potential utterances is important in language learning and evolution. </p> </div> </dd> </dl> <div class='paging'>Total of 3 entries </div> <div class='morefewer'>Showing up to 2000 entries per page: <a href=/list/nlin.AO/new?skip=0&show=1000 rel="nofollow"> fewer</a> | <span style="color: #454545">more</span> | <span style="color: #454545">all</span> </div> </div> </div> </div> </main> <footer style="clear: both;"> <div class="columns is-desktop" role="navigation" aria-label="Secondary" style="margin: -0.75em -0.75em 0.75em -0.75em">  <div class="column" style="padding: 0;"> <div class="columns"> <div class="column"> <ul style="list-style: none; line-height: 2;"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul style="list-style: none; 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Adaptation and Self-Organizing Systems