Results 41 to 50 of about 8,083,146 (327)

Necessary and sufficient conditions for the validity of Hilbert type integral inequalities with a class of quasi-homogeneous kernels and its application in operator theory

open access: yes, 2018
By using real analysis technique and the method of weight functions, the necessary and sufficient conditions for the validity of Hilbert type integral inequalities with a class of quasi-homogeneous kernels and the best constant factors are obtained, and ...
Yong Hong, B. He, Bicheng Yang
semanticscholar   +1 more source

New Stability Results for Periodic Solutions of Generalized Van der Pol Oscillator via Second Bogolyubov’s Theorem

open access: yesMathematics, 2023
A certain class of nonlinear differential equations representing a generalized Van der Pol oscillator is proposed in which we study the behavior of the existing solution.
Safia Meftah   +6 more
doaj   +1 more source

Some Seminormed Difference Sequence Spaces over n-Normed Spaces Defined by a Musielak-Orlicz Function of Order (α,β)

open access: yesJournal of Function Spaces, 2018
We first define the notion of lacunary statistical convergence of order (α,β), and taking this notion into consideration, we introduce some seminormed difference sequence spaces over n-normed spaces with the help of Musielak-Orlicz function M=(Mk) of ...
S. A. Mohiuddine   +2 more
doaj   +1 more source

Generalized Weighted Statistical Convergence for Double Sequences of Fuzzy Numbers and Associated Korovkin-Type Approximation Theorem

open access: yesJournal of Function Spaces, 2020
We define the notions of weighted λ,μ-statistical convergence of order γ1,γ2 and strongly weighted λ,μ-summability of γ1,γ2 for fuzzy double sequences, where ...
Abdullah Alotaibi
doaj   +1 more source

Experimental Study on Support Vector Machine-Based Early Detection for Sensor Faults and Operator-Based Robust Fault Tolerant Control

open access: yesMachines, 2022
Considering sensor faults for a thermoelectric cooler actuated by Peltier devices, this work proposes an operator-based robust nonlinear fault tolerant controller (FTC) integrated with early fault detection using a support vector machine (SVM).
Mingcong Deng, Yuki Tanaka, Ximei Li
doaj   +1 more source

On dilatation operator for a renormalizable theory

open access: yes, 2007
Given a renormalizable theory we construct the dilatation operator, in the sense of generator of RG flow of composite operators. The generator is found as a differential operator acting on the space of normal symbols of composite operators in the theory.
A. Zaffaroni   +19 more
core   +1 more source

The Fuzzy Ginsparg-Wilson Algebra: A Solution of the Fermion Doubling Problem [PDF]

open access: yes, 2003
The Ginsparg-Wilson algebra is the algebra underlying the Ginsparg-Wilson solution of the fermion doubling problem in lattice gauge theory. The Dirac operator of the fuzzy sphere is not afflicted with this problem. Previously we have indicated that there
A. Bassetto   +38 more
core   +2 more sources

Some Generalized Difference Sequence Spaces Defined by a Sequence of Moduli in n-Normed Spaces

open access: yesJournal of Function Spaces, 2015
We introduce some new generalized difference sequence spaces by means of ideal convergence, infinite matrix, and a sequence of modulus functions over n-normed spaces.
Abdullah Alotaibi   +2 more
doaj   +1 more source

Applications of Hilbert Module Approach to Multivariable Operator Theory

open access: yes, 2014
A commuting $n$-tuple $(T_1, \ldots, T_n)$ of bounded linear operators on a Hilbert space $\clh$ associate a Hilbert module $\mathcal{H}$ over $\mathbb{C}[z_1, \ldots, z_n]$ in the following sense: \[\mathbb{C}[z_1, \ldots, z_n] \times \mathcal{H ...
A. Arias   +70 more
core   +1 more source

Composite Operators and Topological Contributions in Gauge Theory [PDF]

open access: yes, 2001
In $D$-dimensional gauge theory with a kinetic term based on the p-form tensor gauge field, we introduce a gauge invariant operator associated with the composite formed from a electric $(p-1)$-brane and a magnetic $(q-1)$-brane in $D=p+q+1$ spacetime ...
Han, Yeong Deok, Lee, Jungjai
core   +3 more sources

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