Results 41 to 50 of about 249,242 (319)

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

FEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Residual tail twisting in ascidian larvae is stabilized by asymmetric myofibrils that resist bilateral symmetry restoration

FEBS Letters, EarlyView.
Ascidian Ciona larvae initially show strong clockwise tail twisting, which is largely corrected during development. However, a small residual twist remains. This study shows that organized helical myofibrils in tail muscles mechanically stabilize this residual asymmetry, preventing complete restoration of bilateral symmetry and revealing how embryos ...
Yuki S. Kogure, Misaki K. Nishio, Satoru Okuda, Kohji Hotta   +3 more
wiley   +1 more source

Mitigating catastrophic forgetting in Multiple sclerosis lesion segmentation using elastic weight consolidation

NeuroImage: Clinical
Multiple sclerosis (MS) lesion segmentation is crucial for monitoring disease progression. Deep learning methods have shown promising results but suffer from domain shift problems when evaluated in data from different protocols or scanners.
Luisana Álvarez, Sergi Valverde, Àlex Rovira, Xavier Lladó   +3 more
doaj   +1 more source

A Tensor-Based Approach for Identification of Multi-Channel Bearing Compound Faults

IEEE Access, 2019
Vibration signal analysis is one of the most effective approaches for detecting faults in bearings. A bearing compound-fault signal always consists of multiple signatures and stochastic noise.
Chaofan Hu, Yanxue Wang, Tangbo Bai
doaj   +1 more source

Block Row Kronecker-Structured Linear Systems With a Low-Rank Tensor Solution

Frontiers in Applied Mathematics and Statistics, 2022
Several problems in compressed sensing and randomized tensor decomposition can be formulated as a structured linear system with a constrained tensor as the solution.
Stijn Hendrikx, Stijn Hendrikx, Lieven De Lathauwer, Lieven De Lathauwer   +3 more
doaj   +1 more source

Reduced-Rank Tensor-on-Tensor Regression and Tensor-Variate Analysis of Variance

IEEE Transactions on Pattern Analysis and Machine Intelligence, 2023
Fitting regression models with many multivariate responses and covariates can be challenging, but such responses and covariates sometimes have tensor-variate structure. We extend the classical multivariate regression model to exploit such structure in two ways: first, we impose four types of low-rank tensor formats on the regression coefficients ...
Carlos Llosa-Vite, Ranjan Maitra
openaire   +4 more sources

Biophysical approaches for studying viral entry

FEBS Letters, EarlyView.
Viruses infect all living organisms and have been responsible for major epidemics and pandemics. Their ongoing evolutionary battle with host defenses creates a constant need for improved tools to study viral behavior. Advancing methods to probe viral attachment, fusion, and genome release deepen our understanding of how infections begin and support the
Inbar Yosibash, Raya Sorkin
wiley   +1 more source

A Modified GMRES Method for Solving a Symmetric Solution to Lyapunov Equation for Multi-Agent Systems

SICE Journal of Control, Measurement, and System Integration, 2019
We consider solving a large-scale Lyapunov equation for a multi-agent system. As is well known, the Lyapunov equation can be solved by equivalently rewriting it as a system of linear equations.
Asuka Ohashi, Kiyotsugu Takaba
doaj   +1 more source

Shape-Adaptive Tensor Factorization Model for Dimensionality Reduction of Hyperspectral Images

IEEE Access, 2019
Tensor-based dimensionality reduction (DR) of hyperspectral images is a promising research topic. However, patch-based tensorization usually adopts a squared neighborhood with fixed window size, which may be inaccurate in modeling the local spatial ...
Zhaohui Xue, Sirui Yang, Mengxue Zhang
doaj   +1 more source

Tensor Algebras in Finite Tensor Categories [PDF]

International Mathematics Research Notices, 2019
Abstract This paper introduces methods for classifying actions of finite-dimensional Hopf algebras on path algebras of quivers and more generally on tensor algebras $T_B(V)$ where $B$ is semisimple. We work within the broader framework of finite (multi-)tensor categories $\mathcal{C}$, classifying tensor algebras in $\mathcal{C}$ in ...
Etingof, Pavel, Kinser, Ryan, Walton, Chelsea   +2 more
openaire   +3 more sources