Results 1 to 10 of about 222,080 (168)

Closable Multipliers [PDF]

open access: yesIntegral Equations and Operator Theory, 2010
Let (X,m) and (Y,n) be standard measure spaces. A function f in $L^\infty(X\times Y,m\times n)$ is called a (measurable) Schur multiplier if the map $S_f$, defined on the space of Hilbert-Schmidt operators from $L_2(X,m)$ to $L_2(Y,n)$ by multiplying ...
Shulman, V. S.   +2 more
core   +5 more sources

Shallow Water Waves and Conservation Laws with Dispersion Triplet

open access: yesApplied Sciences, 2022
This paper secures solitary waves and conservation laws to the familiar Korteweg–de Vries equation and Gardner’s equation with three dispersion sources. The traveling wave hypothesis leads to the emergence of such waves.
Anjan Biswas   +7 more
doaj   +1 more source

Blaupause zur Aus- und Weiterbildung von Informations- und Beratungskompetenzen im Bereich Open Access und wissenschaftliches Publizieren

open access: yesGMS Medizin – Bibliothek – Information, 2022
Several thousand scientists conduct research and more than 100,000 students study in the Berlin Universities Alliance (BUA). Not only their enormous research output, but also the increasingly complex publication landscape require support and services on ...
Mieck, Christine
doaj   +1 more source

Multiplying myosins [PDF]

open access: yesProceedings of the National Academy of Sciences, 2006
Myosins are a diverse family of actin-based molecular motors that appeared early in eukaryotic evolution. Just how early, and how diverse, has begun to become clear from work that appears in this issue of PNAS (1) and recent work from Nature (2). For most of its existence, the term “myosin” applied only to the actin-activated ATPase that forms the ...
Holly V, Goodson, Scott C, Dawson
openaire   +2 more sources

On the geometry of the multiplier space of ℓpA

open access: yesConcrete Operators, 2022
For p ∈ (1, ∞) \ {2}, some properties of the space ℳp of multipliers on ℓpA are derived. In particular, the failure of the weak parallelogram laws and the Pythagorean inequalities is demonstrated for ℳp.
Felder Christopher, Cheng Raymond
doaj   +1 more source

Lie Group Analysis of a Nonlinear Coupled System of Korteweg-de Vries Equations

open access: yesEuropean Journal of Mathematical Analysis, 2021
In this paper, we consider coupled Korteweg-de Vries equations that model the propagation of shallow water waves, ion-acoustic waves in plasmas, solitons, and nonlinear perturbations along internal surfaces between layers of different densities in ...
Joseph Owuor Owino, Benard Okelo
doaj   +1 more source

On the Design of Logarithmic Multiplier Using Radix-4 Booth Encoding

open access: yesIEEE Access, 2020
This paper proposes an energy-efficient approximate multiplier which combines radix-4 Booth encoding and logarithmic product approximation. Additionally, a datapath pruning technique is proposed and studied to reduce the hardware complexity of the ...
Ratko Pilipovic, Patricio Bulic
doaj   +1 more source

On quasi-multipliers [PDF]

open access: yesStudia Mathematica, 1994
Summary: A quasi-multiplier is a generalization of the notion of a left (right, double) multiplier. The first systematic account of the general theory of quasi-multipliers on a Banach algebra with a bounded approximate identity was given in a paper by McKennon in 1977.
Argün, Ziya, Rowlands, Keith
openaire   +6 more sources

The Czech Republic and Austrian Tourism in Scope of German Visitors [PDF]

open access: yesStatistika: Statistics and Economy Journal, 2023
Tourism demand modelling is one of the most studied areas in tourism economics, particularly focused on time series and econometric research. In this study, directly interpretable one-equation techniques are utilised, i.e. the autoregressive distributed
Lukáš Malec, Martina Strušková
doaj   +1 more source

Reconstruction Multipliers [PDF]

open access: yesSSRN Electronic Journal, 2014
A law issued to allocate reconstruction grants following the 2009 "Aquilano" earthquake has resulted in a large and unanticipated discontinuity across municipalities with comparable damages. Using diff-in-diff analysis we estimate the "local spending" and the "local ...
Trezzi, Riccardo, Porcelli, Francesco
openaire   +2 more sources

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