Results 151 to 160 of about 14,462,668 (184)

Degree theory for 4‐dimensional asymptotically conical gradient expanding solitons

open access: yesCommunications on Pure and Applied Mathematics, Volume 79, Issue 5, Page 1151-1298, May 2026.
Abstract We develop a new degree theory for 4‐dimensional, asymptotically conical gradient expanding solitons. Our theory implies the existence of gradient expanding solitons that are asymptotic to any given cone over S3$S^3$ with non‐negative scalar curvature. We also obtain a similar existence result for cones whose link is diffeomorphic to S3/Γ$S^3/\
Richard H. Bamler, Eric Chen
wiley   +1 more source

Adaptive Q‐Wavelet Transform and Kalman Filtering for Power Quality Disturbance Prediction and Carbon Emission Impact Analysis in Smart Grids

open access: yesEngineering Reports, Volume 8, Issue 5, May 2026.
Maintaining power quality (PQ) and minimizing carbon emissions are crucial for sustainable smart grids, especially with increasing renewable energy integration. This paper proposes a novel method combining Adaptive Q‐Wavelet Transform (AQWT) and Kalman Filtering (KF) to predict PQ disturbances and faults while analyzing their impact on carbon emissions.
Abhishek Raj   +9 more
wiley   +1 more source

A Covert Cyber‐Attack Framework and Detection on Communication Links in Linear Multi‐Agent Cyber‐Physical Systems

open access: yesEngineering Reports, Volume 8, Issue 5, May 2026.
A covert attack architecture and detection approach in communication networks for homogenous and linear multi‐agent systems (MASs). A residual‐based detection method, exploiting a Kamlan filter observer and extra dynamic, is proposed to detect covert attacks on agents' communication channels.
Mohammad Tahmasbi
wiley   +1 more source

Memristance and transmemristance in multiterminal memristive systems

open access: yes
Milano G   +5 more
europepmc   +1 more source

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