Results 11 to 20 of about 124,365 (283)

Some inequalities and superposition operator in the space of regulated functions

open access: yesAdvances in Nonlinear Analysis, 2019
Some inequalities connected to measures of noncompactness in the space of regulated function R(J, E) were proved in the paper. The inequalities are analogous of well known estimations for Hausdorff measure and the space of continuous functions.
Olszowy Leszek, Zając Tomasz
doaj   +2 more sources

The superposition operator in the space of functions continuous and converging at infinity on the real half-axis

open access: yesAdvances in Nonlinear Analysis, 2019
We will consider the so-called superposition operator in the space CC(ℝ+) of real functions defined, continuous on the real half-axis ℝ+ and converging to finite limits at infinity.
Rzepka Beata, Ścibisz Justyna
doaj   +2 more sources

Toeplitz-Superposition Operators on Analytic Bloch Spaces [PDF]

open access: yesJournal of Function Spaces, 2021
The important purpose of this current work is to study a new class of operators, the so-called Toeplitz-superposition operators as an expansion of the weighted known composition operators, induced by such continuous entire functions mapping on bounded specific sets.
M. A. Bakhit, A. El-Sayed Ahmed
openaire   +2 more sources

On the Lattice of $ES_I$-closed Classes of Multifunctions on Two-elements Set

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2021
The paper considers multifunctions on a two-element set with superposition and the equality predicate branching operator. The superposition operator is based on the intersection of sets. The main purpose of the work is to describe all closed classes with
V.I. Panteleyev, E. S. Taglasov
doaj   +1 more source

Collapsing a perfect superposition to a chosen quantum state without measurement. [PDF]

open access: yesPLoS ONE, 2014
Given a perfect superposition of [Formula: see text] states on a quantum system of [Formula: see text] qubits. We propose a fast quantum algorithm for collapsing the perfect superposition to a chosen quantum state [Formula: see text] without applying any
Ahmed Younes, Mahmoud Abdel-Aty
doaj   +1 more source

Integral Superposition-Type Operators on Some Analytic Function Spaces

open access: yesJournal of Function Spaces, 2021
All entire functions which transform a class of holomorphic Zygmund-type spaces into weighted analytic Bloch space using the so-called n-generalized superposition operator are characterized in this paper.
A. El-Sayed Ahmed, S. Omran
doaj   +1 more source

On some properties of the superposition operator on topological manifolds [PDF]

open access: yesOpuscula Mathematica, 2010
In this paper the superposition operator in the space of vector-valued, bounded and continuous functions on a topological manifold is considered. The acting conditions and criteria of continuity and compactness are established.
Janusz Dronka
doaj   +1 more source

On solutions of some delay Volterra integral problems on a half-line

open access: yesNonlinear Analysis, 2021
In this paper, we study the existence of a.e. monotonic solutions of some general delay integral problems for both fractional and integer orders in the space of Lebesgue integrable functions on the interval R+ = [0;1) and in the space of locally ...
Mohamed M.A. Metwali, Kinga Cichoń
doaj   +1 more source

Operational models of temperature superpositions

open access: yes, 2021
A quantum system and a thermal bath can reach thermal equilibrium through an interaction, whereupon the system acquires the same temperature as the bath. But how does a delocalised quantum system thermalise with a bath whose local temperature varies, as, for example, in the Tolman effect?
Wood, Carolyn E.   +3 more
openaire   +2 more sources

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