Results 11 to 20 of about 808,763 (291)

Development of neutrosophic cubic hesitant fuzzy exponential aggregation operators with application in environmental protection problems [PDF]

open access: yesScientific Reports, 2023
The population growth and urbanization has caused an exponential increase in waste material. The proper disposal of waste is a challenging problem nowadays. The proper disposal site selection with typical sets and operators may not yield fruitful results.
Ateeq Ur Rehman   +4 more
doaj   +2 more sources

Exponential splitting for unbounded operators [PDF]

open access: yesMathematics of Computation, 2009
We present a convergence analysis for exponential splitting methods applied to linear evolution equations. Our main result states that the classical order of the splitting method is retained in a setting of unbounded operators, without requiring any additional order condition.
Eskil Hansen, Alexander Ostermann
openaire   +1 more source

Exponentials of bounded normal operators [PDF]

open access: yesColloquium Mathematicum, 2013
07 ...
Chaban, Aicha, Mortad, Mohammed Hichem
openaire   +2 more sources

Some remarks on degenerate hypoelliptic Ornstein-Uhlenbeck operators [PDF]

open access: yes, 2014
We study degenerate hypoelliptic Ornstein–Uhlenbeck operators in spaces with respect to invariant measures. The purpose of this article is to show how recent results on general quadratic operators apply to the study of degenerate hypoelliptic Ornstein ...
Pavliotis, Grigorios   +8 more
core   +1 more source

Transfer operators for coupled analytic maps [PDF]

open access: yes, 2000
We consider analytically coupled circle maps (uniformly expanding and analytic) on the ${\mathbb Z}^d$-lattice with exponentially decaying interaction.
Rugh, Hans Henrik   +2 more
core   +1 more source

Operators of finite rank in unitary representations of exponential Lie groups [PDF]

open access: yes, 1982
Poguntke D. Operators of finite rank in unitary representations of exponential Lie groups. Mathematische Annalen.
Poguntke, Detlev
core   +1 more source

Generalized Exponential Trichotomies for Abstract Evolution Operators on the Real Line

open access: yesJournal of Function Spaces and Applications, 2013
This paper considers two trichotomy concepts in the context of abstract evolution operators. The first one extends the notion of exponential trichotomy in the sense of Elaydi-Hajek for differential equations to abstract evolution operators, and it is a ...
Nicolae Lupa, Mihail Megan
doaj   +1 more source

The spaces of exponential type vectors of complex degrees of positive operators

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2013
New classes of interpolation spaces of exponential type vectors of complex degrees of positive operators are defined. Properties of the approximation spaces generated by the considered interpolation spaces are investigated.
M. I. Dmytryshyn
doaj   +1 more source

On Weighted Ostrowski Type Inequalities for Operators and Vector-Valued Functions [PDF]

open access: yes, 2001
Some weighted Ostrowski type integral inequalities for operators and vector-valued functions in Banach spaces are given.
Cerone, Pietro   +3 more
core   +5 more sources

Applications of Magnetohydrodynamic Couple Stress Fluid Flow between Two Parallel Plates with Three Different Kernels

open access: yesJournal of Function Spaces, 2021
In this paper, we investigate the implementations of newly introduced nonlocal differential operators as convolution of power law, exponential decay law, and the generalized Mittag-Leffler law with fractal derivative in fluid dynamics.
Imran Siddique   +4 more
doaj   +1 more source

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