MTS
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Related Articles from SNS
Plane-Wave Excitation of Multi-Beam Modulated Metasurface Antennas
arXiv:2606.02222v1 Announce Type: new Abstract: This paper explores the design of multibeam metasurface (MTS) antennas excited by multi-directional plane-wave launchers. First, we solve the fundamental yet open problem of a plane surface wave (SW) that propagates obliquely to the modulation direction of a sinusoidally modulated MTS. Closed-form expressions are provided to accurately predict the beam pointing angles for any propagation direction of the illuminating plane SW and for any...
AegisTS: A Hierarchical Agent System with Reinforcement Learning for Multivariate Time Series Data Cleaning
arXiv:2605.04902v4 Announce Type: replace Abstract: Multivariate time series (MTS) are frequently affected by co-occurring quality issues, such as missing values, outliers, and constraint violations, which significantly undermine downstream analytics. Existing cleaning approaches fix only a limited set of such issues, making them ill-suited for scenarios where multiple quality problems arise simultaneously. Furthermore, these methods commonly depend on the availability of ground truth data...
AegisTS: A Hierarchical Agent System with Reinforcement Learning for Multivariate Time Series Data Cleaning
Announce Type: replace Abstract: Multivariate time series (MTS) are frequently affected by co-occurring quality issues, such as missing values, outliers, and constraint violations, which significantly undermine downstream analytics. Existing cleaning approaches fix only a limited set of such issues, making them ill-suited for scenarios where multiple quality problems arise simultaneously. Furthermore, these methods commonly depend on the availability of ground truth data or domain-specific...
QuITE: Query-Based Irregular Time Series Embedding
arXiv:2605.28166v3 Announce Type: replace Abstract: Irregular Multivariate Time Series (IMTS) are common in practice, yet their irregular sampling complicates effective modeling. Existing approaches typically either (i) design specialized architectures that limit the reuse of proven Multivariate Time Series (MTS) models, or (ii) map IMTS onto regular temporal grids through interpolation, which may distort temporal dynamics by introducing artificial values. To address these limitations, we...
Afrothismia lovettii sp. nov. (Afrothismiaceae) Critically Endangered (Possibly Extinct) and endemic to the Kihansi Falls Forest, Tanzania
The fully mycotrophic (or mycoheterotrophic) non-photosynthetic Afrothismia lovettii Cheek sp. nov. (Afrothismiaceae), is described and illustrated from the Kihansi Gorge Forest of the Udzungwa Mts, Tanzania where a World Bank-funded hydroproject may have resulted in its extinction, together with the possible extinction of two other narrowly endemic species of mycoheterophic plant, Kihansia lovettii and Kupea jonii (Triuridaceae). The co-incidence of these three species makes (or made) the...
α-Synuclein and γ-Tubulin Cooperatively Regulate Activity-Evoked Presynaptic Microtubule Nucleation to Gate Dopamine Release
alpha-Synuclein has long been implicated in the regulation of synaptic activity, but the molecular basis that underlies this function has been elusive. Here, we identify a microtubule (MT)-dependent mechanism through which alpha-synuclein regulates synaptic dopamine release. Using live imaging of cultured dopaminergic neurons, we visualize dynamic MTs at individual presynaptic boutons and show that neuronal activity triggers local gamma-tubulin-dependent MT nucleation.