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We analyze the effect of synchronization on distributed stochastic gradient algorithms. By exploiting an analogy with dynamical models of biological quorum sensing - where synchronization between agents is induced through communication with…

Optimization and Control · Mathematics 2020-12-18 Nicholas M. Boffi , Jean-Jacques E. Slotine

We study quantum phase sensing with an asymmetric two-mode entangled coherent state (ECS) in which the two local amplitudes have different values. We find the phenomenon of the asymmetry-enhanced phase sensing which the asymmetry can…

Quantum Physics · Physics 2023-05-26 Xiao-Tong Chen , Wang-Jun Lu , Yunlan Zuo , Rui Zhang , Ya-Feng Jiao , Le-Man Kuang

We present a comprehensive evaluation of the robustness and explainability of ResNet-like models in the context of Unintended Radiated Emission (URE) classification and suggest a new approach leveraging Neural Stochastic Differential…

Machine Learning · Computer Science 2023-09-28 Sumit Kumar Jha , Susmit Jha , Rickard Ewetz , Alvaro Velasquez

Measurements of many biological processes are characterized by an initial trend period followed by an equilibrium period. Scientists may wish to quantify features of the two periods, as well as the timing of the change point. Specifically,…

Applications · Statistics 2020-09-22 Wenyu Zhang , Maryclare Griffin , David S. Matteson

We study decoherence in a qubit with the distance between the two levels affected by random flips of bistable fluctuators. For the case of a single fluctuator we evaluate explicitly an exact expression for the phase-memory decay in the echo…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Y. M. Galperin , B. L. Altshuler , J. Bergli , D. V. Shantsev

We present results of time-series data simulation. We aimed at estimating the threshold used for detecting signals in amplitude spectra, calculated from simulating TESS photometry of up to one year duration. We selected the threshold at a…

Instrumentation and Methods for Astrophysics · Physics 2021-09-15 A. S. Baran , C. Koen

Emotions are crucial in human life, influencing perceptions, relationships, behaviour, and choices. Emotion recognition using Electroencephalography (EEG) in the Brain-Computer Interface (BCI) domain presents significant challenges,…

Human-Computer Interaction · Computer Science 2025-12-12 Gourav Siddhad , Masakazu Iwamura , Partha Pratim Roy

We propose a novel method, Phase-IDENT, for identifying partial differential equations (PDEs) from noisy observations of dynamical systems that exhibit phase transitions. Such phenomena are prevalent in fluid dynamics and materials science,…

Numerical Analysis · Mathematics 2026-01-21 Edward L. Yang , Roy Y. He

Data observed at high sampling frequency are typically assumed to be an additive composite of a relatively slow-varying continuous-time component, a latent stochastic process or a smooth random function, and measurement error. Supposing…

Statistics Theory · Mathematics 2018-12-21 Jinyuan Chang , Aurore Delaigle , Peter Hall , Cheng Yong Tang

In free-space Quantum Key Distribution in turbulent conditions, scattering and beam wandering cause intensity fluctuations which increase the detected signal-to-noise ratio. This effect can be mitigated by rejecting received bits when the…

Quantum Physics · Physics 2021-03-31 Eleftherios Moschandreou , Brian J. Rollick , Bing Qi , George Siopsis

This paper addresses the problem of detecting change points in the spectral density of time series, motivated by EEG analysis of seizure patients. Seizures disrupt coherence and functional connectivity, necessitating precise detection.…

Methodology · Statistics 2025-05-06 Sepideh Mosaferi , Abolfazl Safikhani , Peiliang Bai

Emotion recognition from electroencephalogram (EEG) signals is a thriving field, particularly in neuroscience and Human-Computer Interaction (HCI). This study aims to understand and improve the predictive accuracy of emotional state…

Machine Learning · Computer Science 2025-08-13 Shyam K Sateesh , Sparsh BK , Uma D

Neural electromagnetic (EM) signals recorded non-invasively from individual human subjects vary in complexity and magnitude. Nonetheless, variation in neural activity has been difficult to quantify and interpret, due to complex, broad-band…

Neurons and Cognition · Quantitative Biology 2018-07-04 Trang-Anh Nghiem , Jean-Marc Lina , Matteo di Volo , Cristiano Capone , Alan C. Evans , Alain Destexhe , Jennifer S. Goldman

Depression is a widespread mental health disorder, yet its automatic detection remains challenging. Prior work has explored unimodal and multimodal approaches, with multimodal systems showing promise by leveraging complementary signals.…

Artificial Intelligence · Computer Science 2026-03-24 Annisaa Fitri Nurfidausi , Eleonora Mancini , Paolo Torroni

Spectral estimation (SE) aims to identify how the energy of a signal (e.g., a time series) is distributed across different frequencies. This can become particularly challenging when only partial and noisy observations of the signal are…

Machine Learning · Statistics 2019-01-15 Felipe Tobar

The extent of intra-individual and inter-individual variability is an important factor in determining the statistical, and hence possibly clinical, significance of observed differences in the EEG. This study investigates the changes in…

Neurons and Cognition · Quantitative Biology 2018-01-08 Sacha Jennifer van Albada , Christopher J. Rennie , Peter A. Robinson

We present an improved statistical fluctuation analysis for measurement device independent quantum key distribution with three-intensity decoy-state method. Taking the statistical fluctuations for different sources jointly, we present more…

Quantum Physics · Physics 2015-06-23 Zong-Wen Yu , Yi-Heng Zhou , Xiang-Bin Wang

We present a study of the prospects for coherence preservation in solid-state spin qubits using dynamical decoupling protocols. Recent experiments have provided the first demonstrations of multipulse dynamical decoupling sequences in this…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 M. J. Biercuk , H. Bluhm

Datasets in sleep science present challenges for machine learning algorithms due to differences in recording setups across clinics. We investigate two deep transfer learning strategies for overcoming the channel mismatch problem for cases…

Computer Vision and Pattern Recognition · Computer Science 2020-09-02 Alexander Neergaard Olesen , Poul Jennum , Emmanuel Mignot , Helge B. D. Sorensen

Concurrency of transcranial magnetic stimulation with electroencephalography (TMS-EEG) technique is a powerful and challenging methodology for basic research and clinical applications. Aspects considered in experiments for effective TMS-EEG…

Neurons and Cognition · Quantitative Biology 2024-03-18 Hua Cheng