Search Results for author: Emanuele Zappala

Found 7 papers, 4 papers with code

Spectral methods for Neural Integral Equations

1 code implementation9 Dec 2023 Emanuele Zappala

Neural integral equations are deep learning models based on the theory of integral equations, where the model consists of an integral operator and the corresponding equation (of the second kind) which is learned through an optimization procedure.

Operator Learning Meets Numerical Analysis: Improving Neural Networks through Iterative Methods

no code implementations2 Oct 2023 Emanuele Zappala, Daniel Levine, Sizhuang He, Syed Rizvi, Sacha Levy, David van Dijk

Deep neural networks, despite their success in numerous applications, often function without established theoretical foundations.

Operator learning

Continuous Spatiotemporal Transformers

1 code implementation31 Jan 2023 Antonio H. de O. Fonseca, Emanuele Zappala, Josue Ortega Caro, David van Dijk

Modeling spatiotemporal dynamical systems is a fundamental challenge in machine learning.

Neural Integral Equations

1 code implementation30 Sep 2022 Emanuele Zappala, Antonio Henrique de Oliveira Fonseca, Josue Ortega Caro, David van Dijk

In this paper, we introduce Neural Integral Equations (NIE), a method that learns an unknown integral operator from data through an IE solver.

Neural Integro-Differential Equations

1 code implementation28 Jun 2022 Emanuele Zappala, Antonio Henrique de Oliveira Fonseca, Andrew Henry Moberly, Michael James Higley, Chadi Abdallah, Jessica Cardin, David van Dijk

Further, we show that NIDE can decompose dynamics into their Markovian and non-Markovian constituents via the learned integral operator, which we test on fMRI brain activity recordings of people on ketamine.

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