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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.

169,181 papers · 148 categories

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2468 · Jun 202019922001200920182026
48 results for buffer overflow

New algorithm reduces costs and latency for large language model inference.

problem Optimizing inference costs and latency for large language models with GPU constraints.
method Formulated as an online scheduling problem with endogenous memory growth, introduced fluid model and WAIT algorithms.
result Reduced costs and latency, especially in near-overloaded and overloaded regimes.

Predicts programming languages from Stack Overflow questions and snippets.

problem Incorrectly tagging programming languages in Stack Overflow questions.
method Combines NLP features from titles, bodies, and code snippets for prediction.
result Combined features classifier achieves 91.1% accuracy.

Deep neural network predicts semantic labels for source code.

problem Difficulty in labeling and understanding new programming languages and functionalities.
method Language-agnostic deep convolutional neural network trained on Stack Overflow code snippets.
result Mean area under ROC of 0.957 and top-1 accuracy of 86.6% on Github code documents.

A new model for predicting market order book dynamics using a buffer Hawkes process.

problem Predicting the evolution of limit order books in financial markets.
method Introducing a Markovian single point process with a buffer mechanism and self-exciting effect.
result The model accurately predicts market order book dynamics and converges to Brownian motion.

Secure aggregation for buffered asynchronous federated learning without TEEs.

problem Privacy and convergence in buffered asynchronous federated learning.
method Developed a new protocol (BASecAgg) that ensures privacy without TEEs by carefully designing masks.
result BASecAgg achieves similar convergence guarantees as FedBuff without TEEs.

This paper uses unsupervised learning and dimensionality reduction to optimize sewer system control.

problem Challenges in controlling large sewer systems efficiently.
method Divide sewer system into subcatchments, collect factors, cluster, apply PCA, simulate control scenarios.
result Priority control measures applied to clusters with similar hydraulic characteristics yield the best overflow reduction.

DeepCSO model forecasts CSO events from multiple sewer structures in near real-time.

problem Forecasting Combined Sewer Overflow (CSO) events at a citywide level.
method Multi-task deep learning model combining data-driven and deterministic methods.
result Deep learning model outperforms traditional methods in CSO event forecasting.

A new buffer system improves continual learning in RL agents by adapting to changing environments.

problem Improving RL agents' ability to learn from changing environments over time.
method Multi-timescale replay buffer combined with invariant risk minimization.
result The method shows improvement over baselines in continual learning settings.

Study investigates micro-event detection on FLOSS version releases from Stack Overflow.

problem Detecting micro-events in FLOSS version release events from textual messages.
method Developed pipelines using LDA topic modeling, hSBM topics, and sentiment analysis; optimized feature spaces with RFECV; evaluated models with statistical analysis.
result Found characteristic changes in topics or sentiment features before or after FLOSS version releases.

WrapNet optimizes inference for low-resolution neural networks by using 8-bit additions.

problem Reducing multiplication complexity in low-resolution neural networks.
method Adapting neural networks to use low-resolution (8-bit) additions in accumulators, with a cyclic activation layer and overflow penalty regularizer.
result Achieves comparable classification accuracy to 32-bit counterparts using low-resolution additions.

MAPO uses a memory buffer to improve policy optimization in structured prediction tasks.

problem Improving sample efficiency and robustness in policy optimization for structured prediction tasks.
method Memory Augmented Policy Optimization (MAPO) uses a memory buffer to reduce policy gradient variance.
result MAPO achieves state-of-the-art results in program synthesis and semantic parsing tasks.

This work improves continual learning by selecting diverse samples for replay buffers.

problem Overcoming catastrophic forgetting in online continual learning.
method Formulates sample selection as a constraint reduction problem and uses gradient-based diversity maximization.
result Demonstrates improved performance compared to existing methods that rely on task boundaries.

BUZz defends images from adversarial attacks using simple transformations.

problem Adversarial attacks on deep neural networks for image classification.
method Combination of deep neural networks and simple image transformations.
result Achieves significant improvement over state-of-the-art defenses with a modest drop in clean accuracy.

Regulator allocates buffers to prevent financial contagion in networks with common assets.

problem Containment of default contagion in financial networks with common asset exposures.
method Allocates nonnegative buffer vectors under linear budget constraints to maximize default or insolvency resilience margins or minimize worst-case systemic losses.
result Exact synthesis results for buffer allocation under \ell_{\infty} and 1\ell_{1} uncertainty sets, showing significant gains over uniform and exposure-proportional allocations.

New method scales Bayesian inference for nonlinear SSMs using buffered stochastic gradient.

problem Inference for nonlinear, non-Gaussian SSMs is computationally challenging and particle degeneracy increases with longer series.
method Extends stochastic gradient MCMC to nonlinear SSMs using particle methods and error bounds.
result Demonstrates the importance of particle buffered stochastic gradient for long sequential data.

LiteMORT reduces memory usage for GBDT models by 30% with improved accuracy.

problem Memory inefficiency in GBDT models, especially with adaptive compact distributions.
method Share memory, implicit merging, adaptive histogram resizing.
result Significant reduction in memory usage with improved accuracy.

Efficiently combines autoregressive and set-based models for joint distributions.

problem Joint distributions over multiple predictions from set-based models.
method Causal autoregressive buffer that caches context and captures dependencies.
result Up to 20x faster joint sampling and density evaluation, up to 7x lower memory usage.

The paper proposes a method to learn from both simulation and real-world data.

problem Training autonomous systems in simulation and applying them to real-world environments.
method Balancing samples from simulation and real-world data using a replay buffer.
result The method achieves better performance in real-world tasks compared to training only in simulation.

MER algorithm speeds up VI solving with Markovian data.

problem Solving stochastic variational inequalities with Markovian data.
method MER algorithm using multi-scale sampling from a Markovian buffer.
result Achieves faster convergence without knowing Markov chain mixing time.

A mean-reverting financial instrument is optimally traded by buying it when it is sufficiently below the estimated `mean level' and selling it when it is above. In the presence of linear transaction costs, a large amount of value is paid away crossing bid-offers unless one devises a `buffer' through which the price mus…

2011-03-25abs ↗pdf ↗

Investigates multi-period portfolio optimization for DC plans using buffered Probability of Exceedance.

problem Optimizing long-term Defined Contribution plans with realistic constraints and dynamic dynamics.
method Formulates and solves bilevel optimization problems for pre-commitment and time-consistent Mean-bPoE and Mean-CVaR portfolio optimization.
result Time-consistent Mean-bPoE strategies maintain investor preferences for minimum terminal wealth, unlike Mean-CVaR.

DAC enhances exploration in reinforcement learning with entropy regularization.

problem Improving exploration efficiency in reinforcement learning.
method Sample-aware entropy regularization using replay buffer action distributions.
result DAC significantly outperforms existing algorithms in reinforcement learning tasks.

This work improves reinforcement learning with sparse rewards by following diverse past trajectories.

problem Challenges in reinforcement learning with sparse rewards and myopic behavior.
method Proposes a trajectory-conditioned policy to learn from a memory buffer of diverse past trajectories.
result Significantly outperforms existing methods on complex tasks with local optima.

SOCP uses SOM to find groups and local calibration buffers for better regional coverage.

problem Heterogeneous regional coverage gaps in conformal prediction.
method Self-Organizing Map (SOM) for group discovery; local calibration buffers at BMU or fixed grid.
result Reduces regional coverage gaps on 7/8 benchmarks by 7.1%.

Investigates optimal pension policies in PAYG systems with forward utility and ageing population.

problem Optimal investment and pension policies in PAYG systems with sustainability and adequacy constraints.
method Non-zero volatility forward CRRA utilities, closed-form optimal policies, detailed numerical analysis.
result Characterization of optimal policies and detailed impact analysis under various scenarios.

Proportional transaction costs present difficult theoretical problems in trading algorithm design, on account of their lack of analytical tractability. The author derives a solution of DT-NT-DT form for an arbitrary model in which the the traded asset has diffusive dynamics described by one or more stochastic risk fact…

2012-04-29abs ↗pdf ↗

Experience replay helps neural networks learn new tasks without forgetting old knowledge.

problem Catastrophic forgetting in neural networks trained on non-stationary data.
method Experience replay buffers with a mixture of on- and off-policy learning.
result Experience replay can learn new tasks quickly and reduce catastrophic forgetting.

We present a semi-supervised learning algorithm for learning discrete factor analysis models with arbitrary structure on the latent variables. Our algorithm assumes that every latent variable has an "anchor", an observed variable with only that latent variable as its parent. Given such anchors, we show that it is possi…

2015-11-10abs ↗pdf ↗

Proposes a new policy gradient algorithm to improve reinforcement learning efficiency and stability.

problem Inefficiency and instability of DDPG in practical applications, and difficulty in controlling Q estimation bias and variance.
method Introduces a Regularly Updated Deterministic (RUD) policy gradient algorithm.
result The RUD algorithm makes better use of new data and has lower Q value variance, leading to improved performance.

Improves VAE training by refining variational parameters with BSVI.

problem Amortized inference in VAEs leads to suboptimal variational parameters and the amortization gap.
method Proposes BSVI, a refinement procedure using SVI's importance weights.
result Training VAEs with BSVI yields improved performance compared to SVI.

The paper optimizes pension policies with guarantees and sustainability constraints.

problem Designing optimal pension policies with guarantees and sustainability constraints.
method Dynamic utility model, stochastic domain, overlapping generations, time-consistent decision criterion.
result Optimal investment/pension policy computed for a general framework.