Results 71 to 80 of about 4,370 (257)

A Quasi-Commutative Ring That is Not Neo-Commutative [PDF]

open access: yesProceedings of the American Mathematical Society, 1994
An example of a ring that is quasi-commutative but not neo-commutative is given.
openaire   +1 more source

DC Side Impedance Modelling of an Actual Line Commutated Converter High Voltage Direct Current System and DC Resonance Characteristics

open access: yesHigh Voltage, EarlyView.
ABSTRACT The stability analysis of Line Commutated Converter High Voltage Direct Current (LCC‐HVDC) is of considerable engineering importance. Establishing its analytical mathematical model helps to analyse stability and the factors that affect stability of the system.
Juanjuan Wang   +6 more
wiley   +1 more source

Generalized Local Morrey Spaces Associated with Ball Banach Function Spaces and Their Application

open access: yesAxioms
This paper is devoted to the analysis of boundedness for fractional integral operators, Calderón–Zygmund singular integral operators, and their corresponding commutators on generalized local Morrey spaces associated with ball Banach function spaces ...
Feiyang Zhang, Jiang Zhou
doaj   +1 more source

Fused Collapsing for Wide BVH Construction

open access: yesComputer Graphics Forum, EarlyView.
Abstract We propose a novel approach for constructing wide bounding volume hierarchies on the GPU by integrating a simple bottom‐up collapsing procedure within an existing binary bottom‐up BVH builder. Our approach directly constructs a wide BVH without traversing a temporary binary BVH as done by previous approaches and achieves 1.4 – 1.6 × lower ...
Wilhem Barbier, Mathias Paulin
wiley   +1 more source

Regularity in generalized Morrey spaces of solutions to higher order nondivergence elliptic equations with VMO coefficients

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2019
We study the boundedness of the sublinear integral operators generated by Calderón–Zygmund operator and their commutators with $\mathit{BMO}$ functions on generalized Morrey spaces.
Tahir Gadjiev   +2 more
doaj   +1 more source

On Spatial Point Processes With Composition‐Valued Marks

open access: yesInternational Statistical Review, EarlyView.
Summary Methods for marked spatial point processes with scalar marks have seen extensive development in recent years. While the impressive progress in data collection and storage capacities has yielded an immense increase in spatial point process data with highly challenging non‐scalar marks, methods for their analysis are not equally well developed ...
Matthias Eckardt   +2 more
wiley   +1 more source

Ideals and congruences in $L$-algebras and pre-$L$-algebras [PDF]

open access: yesCategories and General Algebraic Structures with Applications
We link the recent theory of $L$-algebras to previous notions of Universal Algebra and Categorical Algebra concerning subtractive varieties,  commutators, multiplicative lattices, and their spectra.
Marino Gran   +2 more
doaj   +1 more source

Commutators on Banach Spaces [PDF]

open access: yes, 2009
A natural problem that arises in the study of derivations on a Banach algebra is to classify the commutators in the algebra. The problem as stated is too broad and we will only consider the algebra of operators acting on a given Banach space X.
Dosev, Detelin
core  

Multiplicative Commutators of Operators

open access: yes, 1966
An invertible operator T on a Hilbert space is a multiplicative commutator if there exist invertible operators A and B on such that T = ABA–1B–1.
Arlen Brown, Carl Pearcy
core   +1 more source

A Note on Local Polynomial Regression for Time Series in Banach Spaces

open access: yesJournal of Time Series Analysis, EarlyView.
ABSTRACT This work extends local polynomial regression to Banach space‐valued time series for estimating smoothly varying means and their derivatives in non‐stationary data. The asymptotic properties of both the standard and bias‐reduced Jackknife estimators are analyzed under mild moment conditions, establishing their convergence rates.
Florian Heinrichs
wiley   +1 more source

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