Results 1 to 10 of about 439 (175)

Completeness and complementarity for μ → eγ, μ → e e ¯ e $$ e\overline{e}e $$ and μA → eA

open access: yesJournal of High Energy Physics, 2021
Lepton Flavour Violation (LFV) is New Physics that must occur, but is stringently constrained by experiments searching for μ ↔ e flavour change, such as μ → eγ, μ → e e ¯ e $$ e\overline{e}e $$ or μ → e conversion.
S. Davidson
doaj   +1 more source

Statistical Ergodic Theorem in Symmetric Spaces for Infinite Measures

open access: yesСовременная математика: Фундаментальные направления, 2021
Let (Ω,μ) be a measurable space with σ -finite continuous measure, μ(Ω)=∞. A linear operator T:L1(Ω)+L∞(Ω)→L1(Ω)+L∞(Ω) is called the Dunford-Schwartz operator if ||T(f)||1||f||1 (respectively, ||T(f)||∞||f||∞) for all f∈L1(Ω) (respectively, f∈L∞(Ω)). {Tt}
A. S. Veksler, V. I. Chilin
doaj   +1 more source

Time-Scale Integral Inequalities of Copson with Steklov Operator in High Dimension

open access: yesJournal of Mathematics, 2022
The paper derives some new time-scale (TS) dynamic inequalities for multiple integrals. The obtained inequalities are special cases of Copson integral using Steklov operator in (TS) version with high dimension.
Wedad Albalawi
doaj   +1 more source

Expression ofβ-galactosidase from a hybrid promoter: operator element inEscherichia coli [PDF]

open access: yesFEMS Microbiology Letters, 1993
A hybrid trpPO:lacO regulatory sequence was cloned upstream of a promoterless lacZ gene and recombined onto a lambda bacteriophage. Escherichia coli lysogens representing the four possible phenotypes for lacI and trpR were constructed and the synthesis of beta-galactosidase was assayed under various growth conditions.
K E, Dixon, D F, Fix
openaire   +2 more sources

Toeplitz Operators whose Symbols Are Borel Measures

open access: yesJournal of Function Spaces, 2021
In this paper, we are concerned with Toeplitz operators whose symbols are complex Borel measures. When a complex Borel measure μ on the unit circle is given, we give a formal definition of a Toeplitz operator Tμ with symbol μ, as an unbounded linear ...
Jaehui Park
doaj   +1 more source

Picosecond diode-pumped 1.5 μm Er,Yb:glass lasers operating at 10–100 GHz repetition rate [PDF]

open access: yesApplied Physics B, 2010
Stable ultrafast laser sources at multi-GHz repetition rates are important for various application areas, such as optical sampling, frequency comb metrology, or advanced high-speed return-to-zero telecom systems. We review SESAM-mode-locked Er,Yb:glass lasers operating in the 1.5 μm spectral region at multi-GHz repetition rates, discussing the key ...
Oehler A.E.H.   +5 more
openaire   +2 more sources

Normality and Quasinormality of Specific Bounded Product of Densely Defined Composition Operators in L2 Spaces

open access: yesConcrete Operators, 2022
Let (X, 𝒜, μ) be a σ−finite measure space. A transformation ϕ : X → X is non-singular if μ ∘ ϕ−1 is absolutely continuous with respect with μ. For this non-singular transformation, the composition operator Cϕ: 𝒟(Cϕ) → L2(μ) is defined by Cϕf = f ∘ ϕ, f ∈
Zhou Hang
doaj   +1 more source

Special functions and multi-stability of the Jensen type random operator equation in C ∗ $C^{*}$ -algebras via fixed point

open access: yesJournal of Inequalities and Applications, 2023
In this paper, we apply some special functions to introduce a new class of control functions that help us define the concept of multi-stability. Further, we investigate the multi-stability of homomorphisms in C ∗ $C^{*}$ -algebras and Lie C ∗ $C ...
Safoura Rezaei Aderyani   +4 more
doaj   +1 more source

Integral type operators from normal weighted Bloch spaces to QT,S spaces

open access: yesJournal of Hebei University of Science and Technology, 2016
Operator theory is an important research content of the analytic function space theory. The discussion of simultaneous operator and function space is an effective way to study operator and function space.
Yongyi GU, Wenjun YUAN, Fanning MENG
doaj   +1 more source

Investigation of the dynamic behaviors of the nonlinear operators generated from ξ (as)-QSO

open access: yesInternational Journal of Engineering & Technology, 2018
A quadratic stochastic operator (QSO) exhibits the time development of various species in biology. Several QSOs have been examined by Lotka and Volterra. The main problem in a nonlinear operators is to explore their behavior. The behavior of a nonlinear operators have not been studied in comprehensively even QSOs which are the simplest a nonlinear ...
Hamzah Garalleh   +2 more
openaire   +1 more source

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