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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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78156234312 · May 202619922001200920182026
48 results for constructive vs. disruptive

Analyzes Wikipedia deletion discussions to distinguish constructive from disruptive messages.

problem Distinguishing constructive from disruptive messages in Wikipedia deletion discussions.
method Developed an annotated data set of messages, labeled them as constructive or disruptive, and applied binary classifiers to identify characteristic words.
result Found 'You'-messages to be strong indicators of disruptive messages, contrary to their effects.

Poor economies face frequent disruptions that trap them in producing simpler goods.

problem Frequent disruptions in poor economies prevent them from producing complex goods.
method Modeling an evolving input-output network with optimizing agents that adapt to disruptions.
result A poverty trap emerges where disruptions persist despite agents producing simpler goods.

Bayesian framework predicts post-disruption travel times in metro networks.

problem Uncertainty in post-disruption travel times in metro networks.
method Bayesian spatiotemporal modeling framework capturing train interactions and non-Gaussian distributional characteristics.
result The proposed models consistently outperform baseline specifications in point prediction and uncertainty quantification.

Study forecasts supply chain disruptions in automotive industry.

problem Operational disruptions in automotive supply chain cause financial losses.
method Constructed dataset of multivariate time series, used Attention Sequence to Sequence Deep Learning architecture.
result Model achieved 0.85 precision and 0.8 recall in QA phase across five plants.

Study automates detection of visitation disruptions in ICU patients.

problem Difficulty in detecting frequent visitation disruptions in ICU patients.
method Used DensePose R-CNN model to count people in video frames, analyzed disruptions and patient outcomes.
result Automated method detects visitation disruptions, impacts on pain and length of stay examined.

Deep CNN predicts disruptions in fusion plasmas with high accuracy.

problem Predicting plasma events in fusion devices with multi-scale, multi-physics characteristics.
method Deep convolutional neural networks (CNN) with dilated convolutions trained on ECEi diagnostic data.
result Deep CNN achieves an F1-score of ~91% on disruption prediction.

This study analyzes how cryptocurrency networks adapt to financial disruptions.

problem Understanding how cryptocurrency networks respond to financial crises.
method Vertex centrality measures to assess network stability and resilience.
result Different cryptocurrencies experienced shifts in their network roles during the FTX crisis.

Transforms web content for better visibility in AI-driven search engines.

problem Disruption of traditional SEO by generative AI search engines.
method Fine-tunes a BART-base transformer on synthetically generated training data.
result Significant improvements in ROUGE-L and BLEU scores, and substantial visibility gains in generative search responses.

Study adapts OHLC volatility estimators for monitoring market stress in diverse settings.

problem Limited use of range-based volatility estimators in local commodity markets.
method Adapted OHLC volatility estimators to monitor market distress across various contexts.
result OHLC-based volatility indicators detect market disruptions missed by standard momentum indicators.

This paper studies the interrelation between spot and futures prices in the two major rice markets in prewar Japan from the perspective of market efficiency. Applying a non-Bayesian time-varying model approach to the fundamental equation for spot returns and the futures premium, we detect when efficiency reductions in …

2014-04-22abs ↗pdf ↗

The paper improves marine buoy placement to detect ships robustly against disruptions.

problem Detecting fishing vessels in the presence of natural and man-made disruptions.
method Formulated as a clustering problem, used dropout k-means and k-median to improve buoy placement robustness.
result Improved ship detection probability with dropout k-means compared to classic methods.

Model assesses how supply chain disruptions affect financial stability.

problem Systemic risk in production networks and its financial implications.
method Data-driven econo-financial stress-testing framework combining supply chain and interbank networks.
result Increase of up to 28% in financial systemic risk due to production network contagion.

Study compares optimal vs. naive diversification in crypto markets, finds time-varying moments improve performance.

problem Optimizing portfolio construction in volatile crypto markets.
method Examines time-varying moments and transaction costs, incorporates turnover penalty.
result Time-varying moment estimators outperform conventional estimators in practical portfolio construction.

We show that the Snake on a square SC(S1)SC(S^1) is homotopy equivalent to the space AC(S1)AC(S^1) which was investigated in the previous work by Eda, Karimov and Repov\vs. We also introduce related constructions CSC()CSC(-) and CAC()CAC(-) and investigate homotopical differences between these four constructions. Finally, we explici…

2013-05-27abs ↗pdf ↗

This paper develops a stochastic learning-optimization model for resilient automotive supply chains.

problem Supply chain disruptions and volatile demand pose challenges to the UK automotive industry.
method Integrates Bayesian inference with inventory optimization for a two-echelon system subject to stochastic demand and disruptions.
result The integrated approach achieves significant cost reductions and improved resilience during disruptions.

Study examines corrections to heterotic geometry on SU(3) manifolds.

problem Analyzing α2α'^2 corrections to heterotic supersymmetry algebra.
method Derives integrability condition and pure gauge correction from graviton equation of motion.
result Curvature of tangent bundle connection acquires a (0,2) component, disrupting semi-classical intuition.

Researchers disrupt Gaussian model inference to test adversarial attacks.

problem Disrupting conditional inference in multivariate Gaussian models under adversarial conditions.
method Considered white- and grey-box settings with complete and incomplete knowledge of the Gaussian distribution, respectively. Reduced to quadratic and stochastic quadratic programs. Derived structural properties for solution methods.
result Demonstrated the impact and efficacy of attacks in various applications, including real estate evaluation, interest rate estimation, and signals processing.

Study analyzes Airbnb lead-time distributions for Nights Booked and Gross Booking Value, finding divergent shapes and tail behavior.

problem Analyzing lead-time distributions for Airbnb demand metrics.
method Compositional analysis of daily lead-time vectors, fitting Gamma, Weibull, and Lognormal distributions, using generalized Pareto for tail inference.
result Lead-time distributions for Nights Booked and Gross Booking Value diverge, with GBV concentrating more in mid-range horizons.

Donor-aware scRNA-seq benchmarks improve classification accuracy in inflammatory bowel disease.

problem Influenza disease classification from scRNA-seq data is prone to donor-level confounding.
method Developed and evaluated three feature representations across two IBD cohorts.
result Compartment-stratified CLR composition and GatedStructuralCFN embeddings outperform linear models in classification accuracy.

We construct new families of conformally invariant differential operators acting on densities. We introduce a simple, direct approach which shows that all such operators arise via this construction when the degree is bounded by the dimension. The method relies on a study of well-known transformation laws and on Weyl's …

2006-08-31abs ↗pdf ↗

This paper uses robust optimization to analyze supply chain resilience.

problem Supply chain resilience analysis of multi-modal logistics networks.
method Robust optimization with budget-of-uncertainty.
result Interactive effects of network size, disruption scale, and degree on resilience.

This paper investigates bias in resampled backtests for financial portfolios, finding it often negligible.

problem Bias in resampled backtests for financial portfolio evaluation.
method Investigation of bias in rolling-window mean-variance portfolios using resampling techniques.
result The bias in Sharpe Ratio estimates from IID resampling is often a fraction of estimation noise, making it tolerable.

We construct homotopically non-trivial maps from the unit m-sphere to the unit (m-1)-sphere with arbitrarily small k-dilation for each k greater than (m + 1)/2. We prove that homotopically non-trivial maps from the unit m-sphere to the unit (m-1)-sphere cannot have arbitrarily small k-dilation for k less than or equal …

2012-11-05abs ↗pdf ↗

Invasive interventions did not significantly shorten ICU patients' time to death.

problem Determining if withholding or withdrawing invasive interventions affects ICU patients' time to death.
method Observational study using MIMIC-III ICU database, stratifying by severity, comparing 2002-2005 vs. 2008-2011.
result Despite a reduction in invasive interventions, time to death did not decrease.

Study analyzes Airbnb booking lead times during global crises using a new metric.

problem Disruptions in booking behaviors during global crises affect forecasting accuracy.
method Normalized L1 (Manhattan) distance to assess lead time divergences.
result Identified two-phase disruption: abrupt change at pandemic onset followed by partial recovery.

Study shows how firms adapt to systemic risk during crises, revealing key players and trade volume predictors.

problem Understanding systemic risk in local production networks during crises.
method Analyzing Hungarian production network dynamics from 2015 to 2022 using a null model and empirical data.
result Firms' adaptive behavior during crises leads to more resilient economies, with trade volume being a significant predictor.