Results 11 to 20 of about 543,794 (329)
Invertibility of Multipliers for Continuous G-frames [PDF]
Sahand Communications in Mathematical Analysis, 2022 In this paper, we study the concept of multipliers for the continuous $g$-Bessel families in Hilbert spaces. We present necessary conditions for invertibility of multipliers for the continuous $g$-Bessel families and sufficient conditions for ...
Mohammad Reza Abdollahpour +1 more
doaj +1 more source
Studia 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
Multiplying Matrices Without Multiplying
CoRR, 2021 Multiplying matrices is among the most fundamental and compute-intensive operations in machine learning. Consequently, there has been significant work on efficiently approximating matrix multiplies. We introduce a learning-based algorithm for this task that greatly outperforms existing methods.
Davis W. Blalock, John V. Guttag
openaire +3 more sources
Theoretical Analysis of Terahertz Frequency Multiplier Based on Semiconductor Superlattices
Nanomaterials, 2022 We propose a terahertz frequency multiplier based on high order harmonic generation in a GaAs-based miniband superlattice driven by an electric field.
Wei Feng +4 more
doaj +1 more source
Multiplier tests and subhomogeneity of multiplier algebras
Documenta Mathematica, 2022 Multipliers of reproducing kernel Hilbert spaces can be characterized in terms of positivity of n \times n matrices analogous to the classical Pick matrix.
Michael Hartz +3 more
openaire +3 more sources
Economies, 2022 An effective and competitive investment policy requires improvements to the existing tools. The ongoing COVID-19 crisis requires understanding as to how the recovery processes should be implemented.
Sergey Nikolaevich Silvestrov +3 more
doaj +1 more source
Sensors, 2023 The existing ultrasonic thickness measurement systems require high sampling frequencies for echo signal acquisition, leading to complex circuit designs and high costs.
Wenqiang Gong +5 more
doaj +1 more source
Low energy and area efficient quaternary multiplier with carbon nanotube field effect transistors
ETRI Journal, 2021 In this study, new multiplier and adder method designs with multiplexers are proposed. The designs are based on quaternary logic and a carbon nanotube field‐effect transistor (CNTFET). The design utilizes 4 × 4 multiplier blocks.
Saeed Rahmati +2 more
doaj +1 more source
Approximation of multipliers [PDF]
Proceedings of the American Mathematical Society, 1974 We note some necessary and sufficient conditions concerning norm approximation of Fourier multipliers, and give an example to show that M q ( Z ) {M_q}(Z) , the space of Fourier multipliers of type ( q , q ) (q,q)
Gaudry, Garth I., Inglis, Ian R.
openaire +1 more source
Integral 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 their integral kernels by f, is bounded in the operator norm.
Shulman, V.S. +2 more
openaire +3 more sources