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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.

169,341 papers · 148 categories

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103205308410 · Jun 202019922001200920182026
48 results for latent architecture

New approach learns shared architecture for multi-task learning.

problem Finding optimal shared layers, weights, and task losses in MTL.
method Latent multi-task architecture learning that jointly addresses sharing, weights, and task losses.
result Consistently outperforms previous approaches to multi-task learning, achieving up to 15% error reduction.

Researchers analyze neural process architectures and their representational capacities.

problem Understanding what functions can be represented by different neural process architectures.
method Analyzing four types of neural process architectures: CNPs, ANPs, TNPs, and their latent variants.
result Prove these architectures form a strict hierarchy and characterize their representational capabilities.

Study reveals latent state computation in stochastic volatility models.

problem Understanding latent stochastic dynamics in noisy, partially observed observations.
method Multivariate stochastic volatility setting, controlled experiments on various architectures.
result Evidence of a two-stage computation: latent state encoding and output head mapping.

STCN combines TCNs with stochastic latent variables for sequence modeling.

problem Performance gap between TCNs and stochastic RNNs, especially with multiple layers of random variables.
method Proposes a hierarchy of stochastic latent variables in a modular architecture.
result Achieves state-of-the-art log-likelihoods across various tasks.

New framework models neural systems with random architecture on manifolds.

problem Complex, uncertain systems with non-Gaussian outputs.
method Latent random field on compact manifold generates neural architecture and weights.
result Synthetic neural systems can produce stochastic outputs for deterministic inputs.

Model learns cancer tissue images onto a low-dimensional space revealing tissue characteristics.

problem Improving cancer diagnosis through high-fidelity digital pathology.
method Deep generative model using PathologyGAN to map real images onto a latent space.
result Latent space encodes morphological characteristics and reveals distinct tissue clusters.

A new architecture improves VAE disentanglement without explicit supervision.

problem Learning disentangled representations in VAEs.
method Spatial Broadcast Decoder: tiling latent vector, concatenating coordinates, fully convolutional network.
result Improves disentangling, reconstruction accuracy, and generalization.

FisherNet extends Autoencoder using Fisher information for better data reconstruction.

problem Data reconstruction accuracy and model scalability in high-dimensional latent spaces.
method Introduces FisherNet architecture that uses Fisher information to quantify and account for latent space uncertainty.
result FisherNet produces more accurate reconstructions and scales better with latent space dimensions compared to VAE.

A graph VAE framework optimizes neural architectures in a continuous space.

problem Discovering efficient neural architectures in a discrete space.
method Graph VAE framework with VAE and GNN components, joint learning of predictors and decoders.
result The framework discovers powerful neural architectures with both excellent performance and high computational efficiency.

New theory explains how noisy, high-dimensional data can still lead to robust predictions.

problem Modern machine learning models achieve high performance with noisy, high-dimensional data.
method Synthesizes principles from Information Theory, Latent Factor Models, and Psychometrics to clarify predictive robustness.
result Predictive robustness arises from data architecture and model capacity, not just data cleanliness.

A novel circuit motif uses sister cells for inference with correlated priors.

problem Structured priors in neural systems pose architectural challenges.
method Proposes a novel circuit motif using sister cells to implement correlated priors without direct interactions.
result Demonstrates the efficacy of correlated priors for inference in noisy environments.

Study neural architectures on learned latent graphs using Schrödinger dynamics.

problem Understanding neural architectures on learned latent graphs.
method Optimizes over stratified moduli space of weighted graphs with Kähler-Hessian metric.
result Multilayer stationary networks are equivalent to global stationary problems on supra-graphs.

New method controls posterior collapse in VAEs without network architecture constraints.

problem Posterior collapse in VAEs reduces diversity of generated samples.
method Introduces Latent Reconstruction (LR) loss to control posterior collapse.
result Controls posterior collapse on various datasets without architectural constraints.

Stochastic WaveNet models sequential data with latent variables and dilated convolutions.

problem Modeling distribution of sequential data like speech and motions.
method Combines stochastic latent variables and dilated convolutions in WaveNet architecture.
result Obtains state-of-the-art performances on speech and handwriting datasets.

New model generates realistic single-cell gene expression data.

problem Generating realistic single-cell gene expression profiles is challenging.
method scLDM, a latent diffusion model using Diffusion Transformers and linear interpolants.
result Superior performance in generating realistic single-cell gene expression data.

Deep Discrete Encoders (DDEs) tackle interpretable generative models for rich data with discrete latent layers.

problem Overparametrized, non-identifiable, and uninterpretable deep generative models in high-stakes applications.
method Directed graphical model with multiple binary latent layers, transparent identifiability conditions, scalable estimation pipeline.
result Transparent identifiability conditions and scalable estimation pipeline for interpretable DDEs.

SEMASIA provides a large dataset of latent representations for model comparison.

problem Difficulty in comparing semantic structures across different neural network models.
method Collection of latent representations from 1700 pretrained models across various benchmarks.
result Consistent semantic organization across models and datasets.

Unsupervised framework captures acquisition variability in structural connectomes.

problem Acquisition differences across sites, scanners, and protocols complicate structural connectome analysis.
method An unsupervised framework using architectural annealing to balance discrete and continuous latent variables.
result Architectural annealing produces stronger site learning than baseline models.

Future autonomous systems need reliable world models and complex action sequences.

problem Current automated systems lack reliable world models and complex action sequences.
method Introduce energy-based and latent variable models combined in a hierarchical joint embedding predictive architecture (H-JEPA).
result Combining energy-based and latent variable models in H-JEPA can lead to reliable world models and complex action sequences.

Improved generalization in abstract reasoning tasks using disentangled latent representations.

problem Improving generalization in unsupervised representation learning for abstract reasoning.
method Used disentangled VAEs to learn latent representations from relational reasoning problems.
result Disentangled latent representations outperform supervised learning in generalization.

Pixel-space diffusion models outperform latent models on high-resolution image synthesis.

problem Efficiency and quality trade-off in high-resolution image synthesis.
method Sigmoid loss-weighting, simplified architecture, and resolution scaling.
result Achieved 1.5 FID on ImageNet512, new SOTA results on other datasets.

New autoencoder learns structured representations without regularization.

problem Learning structured representations without relying on regularization.
method Proposes a novel autoencoder architecture that learns a hierarchy of latent variables.
result Improves results in generation, disentanglement, and extrapolation tasks.

Generative model improves latent space convexity through adversarial training on interpolations.

problem Improving latent space convexity in generative models.
method Adversarial training on latent space interpolations within an AE-GAN architecture.
result Convex latent distribution of generated images, preserving realistic resemblances.

New approaches improve uncertainty quantification in autoregressive models for sequence data.

problem Uncertainty quantification in autoregressive models for exchangeable sequences.
method Study of inferential and architectural biases for autoregressive models, focusing on multi-step inference.
result Custom architectures are necessary for multi-step inference to ensure exchangeability.

Paper improves deep learning models for cardiac potential reconstruction.

problem Improving generalization of sequence models for cardiac potential reconstruction.
method Constrained stochasticity and global aggregation of temporal information in latent space.
result Improved generalization of inverse reconstruction networks.

New findings show disentangled latent representations are not enough for robust compositional generalization.

problem Deep learning models struggle with compositional generalization, especially in out-of-distribution samples.
method Investigated a 2D Gaussian generation task with fully disentangled inputs, then forced disentangled latent representations into full-dimensional output space.
result Forcing disentangled latent representations into full-dimensional output space enables robust compositional generalization.

Study improves interpretability in generative models by disentangling latent variables in scientific datasets.

problem Extracting generative factors from complex, high-dimensional datasets in unsupervised or semi-supervised settings.
method Introducing Aux-VAE, a novel architecture within the VAE framework, which disentangles latent variables by guiding them with auxiliary variables.
result Aux-VAE achieves disentanglement with minimal modifications to the standard VAE loss function, validated on multiple datasets.

A neural network model tackles high-dimensional data with latent structures.

problem Modeling high-dimensional data with latent low-dimensional structures.
method Integrates PCA and Soft PCA layers into neural network architecture for factor modeling and non-linear transformations.
result Demonstrates improved performance in forecasting and nowcasting with real-world data.

We develop VAE-DLM for dynamics with geometric flows in latent space.

problem Learning latent geometric properties for dynamics in high-dimensional data.
method Riemannian approaches to VAEs with a geometric flow in latent space, reformulating ELBO loss.
result Improved performance and robust learning for external dynamics, reducing OOD error.

SUMO provides unbiased log marginal likelihood estimation for latent variable models.

problem Biased estimates of log marginal likelihood in latent variable models.
method Randomized truncation of infinite series for unbiased estimation.
result Models trained with SUMO give better test-set likelihoods than standard methods.

GD-VAEs learn dynamics from observations using geometric and topological information.

problem Learning parsimonious representations of nonlinear dynamics from observations.
method Develops data-driven methods incorporating geometric and topological information using Variational Autoencoders (VAEs).
result GD-VAEs provide methods for learning reduced dimensional representations of nonlinear dynamics.