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Buscador de Tesis y publicaciones académicas

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148.409.893 resultados

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Artículo 2027 Acceso abierto Revisado por pares

Quantifying the effect of noise perturbation for the stochastic Burgers equation with additive trace-class noise

Sonja Cox · Matas Urbonas

We establish upper bounds for the weak and strong error resulting from a perturbation of the noise driving the stochastic Burgers equation, where we assume the noise to be additive and of trace class and the initial value to be sufficiently regular. More specifically, replacing the covariance operator of the driving no...

Numerical Analysis Probability (math.PR) Analysis of PDEs FOS: Mathematics
  • Elsevier BV
  • English
  • DOI: 10.1016/j.jmaa.2026.131097
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Artículo 2027 Acceso abierto Revisado por pares

Multi-modal fusion of in-situ video data and process parameters for online forecasting of cookie drying readiness

Shichen Li · Hao Feng · Chenhui Shao

Food drying is essential for food production, extending shelf life, and reducing transportation costs. Accurate real-time forecasting of drying readiness is crucial for minimizing energy consumption, improving productivity, and ensuring product quality. However, this remains challenging due to the dynamic nature of dry...

Machine Learning FOS: Computer and information sciences Computer Vision and Pattern Recognition (cs.CV) Computer Vision and Pattern Recognition
  • Elsevier BV
  • English
  • DOI: 10.1016/j.jfoodeng.2026.113290
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Artículo 2027 Acceso abierto Revisado por pares

Design-based estimation and central limit theorems for local average treatment effects for RCTs

Schochet, Peter Z

There is a growing literature on design-based methods to estimate average treatment effects for randomized controlled trials (RCTs) using the underpinnings of experiments. In this article, we build on these methods to consider design-based regression estimators for the local average treatment effect (LATE) estimand for...

Methodology (stat.ME) FOS: Computer and information sciences Methodology
  • Elsevier BV
  • English
  • DOI: 10.1016/j.jspi.2026.106471
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Artículo 2027 Acceso abierto Revisado por pares

Stochastic threshold dynamics of an HIV model with latent cell activation under mean-reverting environmental noise

Cao, Zhongwei · Jiang, Yuchen · Shi, Zhenfeng · Jiang, Daqing · y 2 más

Motivated by the impact of environmental variability on within-host HIV dynamics, we develop a stochastic HIV model incorporating latent cell activation. Infection and activation rates are modeled as logarithmic mean-reverting Ornstein-Uhlenbeck processes, ensuring positive parameters and biologically realistic fluctua...

basic medicine medical and health sciences Article
  • Elsevier BV
  • English
  • DOI: 10.1016/j.idm.2026.06.001
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Artículo 2027 Acceso abierto Revisado por pares

A zero-dimensional global conservation model to determine non-ideal nozzle conditions for gas injections

N. Diepstraten · L.M.T. Somers · J.A. van Oijen

To reduce computation times of simulations involving gas fueled internal combustion engines (ICEs), a model is developed that determines non-ideal nozzle exit conditions to spare expensive simulations of internal injector flows. The model, to which we will refer as the Global Conservation Model (GCM), computes nozzle e...

physical sciences Fluid Dynamics (physics.flu-dyn) FOS: Physical sciences Fluid Dynamics
  • Elsevier BV
  • English
  • DOI: 10.1016/j.fuel.2026.141199
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Artículo 2027 Acceso abierto Revisado por pares

A least-squares weak Galerkin finite element scheme for cauchy problems in Helmholtz

Wang, Chunmei · Zhang, Shangyou

This paper introduces and rigorously analyzes a least-squares weak Galerkin (LS-WG) finite element method for the severely ill-posed Cauchy problem associated with the Helmholtz equation. By utilizing a weak Laplacian operator defined on a space of discontinuous functions, the proposed framework facilitates the seamles...

Numerical Analysis FOS: Mathematics Numerical Analysis (math.NA) mathematics
  • Elsevier BV
  • English
  • DOI: 10.1016/j.cam.2026.118153
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Artículo 2027 Acceso abierto Revisado por pares

Leveraging avatar fingerprinting: A multi-generator photorealistic talking-head public database and benchmark

Laura Pedrouzo-Rodriguez · Luis F. Gomez · Ruben Tolosana · Ruben Vera-Rodriguez · y 3 más

Recent advances in photorealistic avatar generation have enabled highly realistic talking-head avatars, raising security concerns regarding identity impersonation in AI-mediated communication. To advance in this challenging problem, the task of avatar fingerprinting aims to determine whether two avatar videos are drive...

FOS: Computer and information sciences Computer Vision and Pattern Recognition (cs.CV) engineering and technology Computer Vision and Pattern Recognition
  • Elsevier BV
  • English
  • DOI: 10.1016/j.patcog.2026.114834
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Artículo 2027 Acceso abierto Revisado por pares

TeD-Loc: Text distillation for weakly supervised object localization

Shakeeb Murtaza · Soufiane Belharbi · Alexis Guichemerre · Marco Pedersoli · y 1 más

Weakly supervised object localization (WSOL) models can predict both the object class and the spatial regions corresponding to the object, without requiring explicit bounding-box annotations. Given their reliance on classification objectives, traditional WSOL methods, like class activation mapping, tend to focus on the...

Machine Learning FOS: Computer and information sciences Computer Vision and Pattern Recognition (cs.CV) engineering and technology
  • Elsevier BV
  • English
  • DOI: 10.1016/j.patcog.2026.114994
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Artículo 2027 Acceso abierto Revisado por pares

Students’ engagement with statements and their understanding of corresponding proofs by contradiction and contraposition

null Hapipi · Andreas J. Stylianides

Engagement has been shown to influence students’ understanding and achievement, yet little is known about how engagement with statements relates to students’ understanding of corresponding proofs. In this paper, we take a step towards addressing this gap by investigating whether engaging with statements is associated w...

Curriculum and Pedagogy Education
  • Elsevier BV
  • United Kingdom
  • English
  • DOI: 10.1016/j.jmathb.2026.101353
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Artículo 2027 Acceso abierto Revisado por pares

Deformations of ideals in Lie algebras

Ilias Ermeidis · Madeleine Jotz

This paper develops the deformation theory of Lie ideals. It shows that the smooth deformations of an ideal $\mathfrak i$ in a Lie algebra $\mathfrak g$ differentiate to cohomology classes in the cohomology of $\mathfrak g$ with values in its adjoint representation on $\operatorname{Hom}(\mathfrak i, \mathfrak g/\mathf...

Rings and Algebras Representation Theory Differential Geometry (math.DG) Rings and Algebras (math.RA)
  • Elsevier BV
  • Germany
  • English
  • DOI: 10.1016/j.jalgebra.2026.07.011
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Resultados provistos por OpenAIRE, la infraestructura europea de ciencia abierta. Tesis y Másters Colombia no aloja ni distribuye estos documentos: cada enlace lleva al repositorio de origen.

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