Results 81 to 90 of about 31,609 (231)

El canal del crédito bancario en Colombia: 1995-2005. Una aproximación mediante modelos de umbral

open access: yesLecturas de Economía, 2007
El canal del crédito bancario, que amplifica los efectos del canal tradicional de la política monetaria, hace énfasis en la estructura y las fricciones del mercado financiero como determinantes del gasto agregado.
María Isabel Restrepo   +1 more
doaj  

Multiplet Effects in the Quasiparticle Band Structure of the $f^1-f^2$ Anderson Model

open access: yes, 1994
In this paper, we examine the mean field electronic structure of the $f^1-f^2$ Anderson lattice model in a slave boson approximation, which should be useful in understanding the physics of correlated metals with more than one f electron per site such as ...
A. C. Nunes   +15 more
core   +1 more source

Bounds for twisted symmetric square $L$-functions via half-integral weight periods [PDF]

open access: yes, 2019
We establish the first moment bound $$ \sum_{\varphi} L(\varphi \otimes \varphi \otimes \Psi, \tfrac{1}{2}) \ll_{\varepsilon} p^{5/4+\varepsilon} $$ for triple product $L$-functions, where $\Psi$ is a fixed Hecke-Maass form on $\operatorname{SL}_2(\mathbb{Z})$ and $\varphi$ runs over the Hecke-Maass newforms on $\Gamma_0(p)$ of bounded eigenvalue.
arxiv   +1 more source

$gl(2|2)$ Current Superalgebra and Non-unitary Conformal Field Theory

open access: yes, 2002
Motivated by application of current superalgebras in the study of disordered systems such as the random XY and Dirac models, we investigate $gl(2|2)$ current superalgebra at general level $k$.
Belavin   +29 more
core   +3 more sources

Innovative Hardware Accelerator Architecture for FPGA‐Based General‐Purpose RISC Microprocessors

open access: yesJournal of Electrical and Computer Engineering, Volume 2025, Issue 1, 2025.
Reconfigurable computing (RC) theory aims to take advantage of the flexibility of general‐purpose processors (GPPs) alongside the performance of application specific integrated circuits (ASICs). Numerous RC architectures have been proposed since the 1960s, but all are struggling to become mainstream.
Ehsan Ali, Iouliia Skliarova
wiley   +1 more source

On the Migration of Jupiter and Saturn: Constraints from Linear Models of Secular Resonant Coupling with the Terrestrial Planets

open access: yes, 2011
We examine how the late divergent migration of Jupiter and Saturn may have perturbed the terrestrial planets. We identify six secular resonances between the nu_5 apsidal eigenfrequency of Jupiter and Saturn and the four eigenfrequencies of the ...
Adams   +39 more
core   +1 more source

Realizations of Real Low-Dimensional Lie Algebras [PDF]

open access: yes, 2005
Using a new powerful technique based on the notion of megaideal, we construct a complete set of inequivalent realizations of real Lie algebras of dimension no greater than four in vector fields on a space of an arbitrary (finite) number of variables. Our
  +73 more
core   +1 more source

Biobased recyclable epoxy composites reinforced with carbon nanotubes for electromagnetic interference shielding and Joule heating

open access: yesCleanMat, Volume 1, Issue 1, Page 5-15, 26 December 2024.
Fully biobased, reprocessable, and recyclable epoxy composites reinforced with carbon nanotubes were fabricated with a solvent free approach and showed excellent mechanical properties, electromagnetic interference shielding and Joule heating performances.
Xiao‐Li Zhao   +2 more
wiley   +1 more source

Preliminary analysis of an extreme helium sdO star: BD+25 4655 [PDF]

open access: yes2003, Proceedings of the IAU Symposium No.210 "Modelling of Stellar Atmospheres", eds. N. Piskunov, W.W. Weiss, D.F. Gray, E44, 2005
Preliminary analysis of CCD spectra obtained by the 6m SAO telescope is presented. We have used simple H-He NLTE model atmospheres computed by TLUSTY to derive the basic parameters of the star.
arxiv  

Infinite Families of Gauge-Equivalent $R$-Matrices and Gradations of Quantized Affine Algebras

open access: yes, 1994
Associated with the fundamental representation of a quantum algebra such as $U_q(A_1)$ or $U_q(A_2)$, there exist infinitely many gauge-equivalent $R$-matrices with different spectral-parameter dependences.
Bracken, Anthony J.   +3 more
core   +1 more source

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