Results 31 to 40 of about 166,185,308 (253)

Norm and Numerical Radius Inequalities for Two Linear Operators in Hilbert Spaces [PDF]

open access: yes, 2008
Some inequalities for the norm and numerical radius of two bounded linear operators in Hilbert spaces are ...
Dragomir, Sever S
core   +5 more sources

Resilient asynchronous control designed for discrete-time Markov jump systems: Static output feedback case

open access: yesAdvances in Mechanical Engineering, 2018
This article is concerned with the problem of resilient asynchronous H ∞ static output feedback control for discrete-time Markov jump linear systems.
Xiao Lu, Lei Yang, Haixia Wang, Yuxia Li
doaj   +1 more source

Finding Bit-Based Division Property for Ciphers with Complex Linear Layers

open access: yesIACR Transactions on Symmetric Cryptology, 2020
The bit-based division property (BDP) is the most effective technique for finding integral characteristics of symmetric ciphers. Recently, automatic search tools have become one of the most popular approaches to evaluating the security of designs against
Kai Hu, Qingju Wang, Meiqin Wang
doaj   +1 more source

Resolution of Linear-quadratic Problems in a Discrete-continuous Format with External Actions

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2023
Two linear-quadratic problems are considered on the set of piecewise-constant controls. The first problem contains a discrete perturbation on the right side of the controlled system and uncertain parameters in a quadratic functional with sign-indefinite ...
V.A. Srochko, V.G. Antonik
doaj   +1 more source

Parallel and Nonparallel Distributed Compensation Controller Design for T-S Fuzzy Discrete Singular Systems With Distinct Difference Item Matrices

open access: yesIEEE Access, 2021
The issues of admissibility and controller design for a class of extended T-S fuzzy discrete singular systems (FDSSs) with distinct difference item matrices are discussed in this article.
Liang Qiao, Linlin Li, Yanrong Lu
doaj   +1 more source

Refined Admissible Analysis and Design Conditions for Discrete Fuzzy Singular Systems with Multiple Difference Matrices

open access: yesApplied Artificial Intelligence, 2023
This study mainly discusses extended admissibility and fuzzy parallel distributed compensation (PDC) control issues for discrete singular fuzzy systems with multiple difference matrices existing in the rules.
Dong-Hwa Lu, Chih-Peng Huang
doaj   +1 more source

Observer‐Based Adaptive Event‐Triggered Tracking Control for Fuzzy TS Systems With Premise Mismatch

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
This paper presents an adaptive logistic event‐triggered observer‐based tracking controller for Takagi‐Sugeno fuzzy systems under constrained inputs and network delays. Leveraging a hybrid LMI and Secretary Bird Optimization approach, this strategy significantly minimizes communication overhead and computational burden while ensuring optimal reference ...
Oussama Djadane   +3 more
wiley   +1 more source

A Note On Hardy-type Inequalities [PDF]

open access: yes, 2003
We use a theorem of Cartlidge and the technique of Redheffer’s ”recurrent inequalities” to give some results on inequalities related to Hardy’s ...
Gao, Peng
core   +6 more sources

Limits to the Hall Effect and Other Nonreciprocal Effects in Three‐Dimensional Metamaterials

open access: yesAdvanced Materials, EarlyView.
Comprehensive and fundamental bounds on nonreciprocal effects in three‐dimensional metamaterials are derived. They reveal that the effective Hall mobility cannot exceed the largest constituent mobility, that, under certain conditions, the Verdet constant cannot be enhanced, and that, for constituents with Hall coefficients of the same sign, the largest
Christian Kern, Graeme W. Milton
wiley   +1 more source

Comparison of BLUPs under multiple partitioned linear model and its correctly-reduced models

open access: yesMiskolc Mathematical Notes
In this study, we investigate the relations between a multiple partitioned linear model and its correctly-reduced models. We consider the comparison problem of covariance matrices of the best linear unbiased predictors (BLUPs) of all unknown vectors ...
Nesrin Güler, Melek Eriş Büyükkaya
doaj   +1 more source

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