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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,742 papers · 148 categories

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0111 · Oct 201719922001200920172026
14 results for memorisation

Generative models converge to data distribution but not principal latent factors.

problem Understanding when generative models converge to the true data distribution.
method Analytical characterisation of transition from memorisation to generalisation in linear generative models.
result Convergence captures matching the bulk of the data distribution but not principal latent factors.

Holomorphic networks on modular arithmetic show clear success or failure, no in-between.

problem Understanding when neural networks can represent modular arithmetic tasks.
method Two-layer networks with holomorphic monomial activations trained on modular tasks.
result The network's output is confined to a subspace of characters, and representability depends on the task's Fourier support.

CDC-FM improves generative model quality-generalization tradeoff by regularizing with geometry-aware noise.

problem Tradeoff between high sample quality and memorization in deep generative models.
method Introduces Carré du champ flow matching (CDC-FM) that replaces homogeneous noise with anisotropic Gaussian noise capturing latent data manifold geometry.
result CDC-FM consistently offers better quality-generalization tradeoff across diverse datasets and architectures.

FMix improves model performance by distorting learned functions without distorting data distribution.

problem Improving model robustness and generalization performance in mixed sample data augmentation.
method Proposes FMix, an MSDA using random binary masks generated from Fourier space.
result FMix outperforms MixUp and CutMix, achieving state-of-the-art results on CIFAR-10.

Connections between nodes of fully connected neural networks are usually represented by weight matrices. In this article, functional transfer matrices are introduced as alternatives to the weight matrices: Instead of using real weights, a functional transfer matrix uses real functions with trainable parameters to repre…

2017-10-28abs ↗pdf ↗

Variational autoencoder (VAE) is a deep generative model for unsupervised learning, allowing to encode observations into the meaningful latent space. VAE is prone to catastrophic forgetting when tasks arrive sequentially, and only the data for the current one is available. We address this problem of continual learning …

2019-08-30abs ↗pdf ↗

This work uncovers algorithm-dependent regularisation in diffusion models.

problem Understanding and improving generalisation in high-dimensional diffusion models.
method Algorithmic stability and score stability analysis.
result Identifies multiple sources of implicit regularisation unique to diffusion models.

Unified normative modeling for neuroimaging phenotypes using denoising diffusion models.

problem Discarding multivariate dependence in neuroimaging pipelines.
method Denoising diffusion probabilistic models (DDPMs) with FiLM and SAINT backbones.
result Unified multivariate normative modeling with better calibration and dependence preservation.