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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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9172634 · Jul 202019922001200920182026
48 results for evolutionary history

A co-evolutionary approach for Heston model calibration reduces overfitting with diverse datasets.

problem Overfitting and lack of generalization in Heston model calibration.
method Coupling a genetic algorithm with an evolving neural inverse map, using both GA-history sampling and Latin hypercube sampling.
result Diverse datasets improve out-of-sample stability and calibration accuracy.

Study of cryptocurrency networks shows they don't always densify over time.

problem Understanding the dynamic nature of cryptocurrency transaction networks.
method Dynamic network analysis of Bitcoin, Ethereum, and Namecoin.
result Cryptocurrency networks do not always densify over time and have unique properties.

Company mergers and acquisitions are often perceived to act as catalysts for corporate growth in free markets systems: it is conventional wisdom that those activities lead to better and more efficient markets. However, the broad adoption of this perception into corporate strategy is prone to result in a less diverse an…

2014-01-21abs ↗pdf ↗

A data-driven approach predicts morphological development under structural instability.

problem Understanding and predicting spatiotemporal complexities of morphogenesis under structural instability.
method Machine-learning framework based on physical modeling of morphogenesis.
result Identification of key bifurcation characteristics and prediction of history-dependent development.

In many practical applications of clustering, the objects to be clustered evolve over time, and a clustering result is desired at each time step. In such applications, evolutionary clustering typically outperforms traditional static clustering by producing clustering results that reflect long-term trends while being ro…

2011-04-11abs ↗pdf ↗

Evo-NAS combines neural and evolutionary methods for efficient neural architecture search.

problem Efficiently searching for optimal neural architectures in deep learning.
method Evolutionary-Neural hybrid agents that combine the strengths of neural and evolutionary algorithms.
result Evo-NAS outperforms both neural and evolutionary agents in architecture search for various classification tasks.

evo-RL combines evolutionary computation with reinforcement learning for better adaptability.

problem Improving reinforcement learning algorithms' adaptability and performance in environments with rewardless states.
method Embedding reinforcement learning in an evolutionary cycle, distinguishing instinctive from learnable behavior.
result evo-RL leads to state-of-the-art performance on OpenAI Gym control problems with rewardless states.

Momentum speeds up evolutionary processes in machine learning.

problem Accelerating convergence in evolutionary dynamics.
method Combining momentum from machine learning with evolutionary dynamics using information divergences as Lyapunov functions.
result Momentum accelerates convergence of evolutionary dynamics, including the replicator equation and Euclidean gradient descent.

A method uses evolutionary algorithm to supervise unsupervised learning in deep neural networks.

problem Controlling unsupervised learning in deep neural networks.
method Evolutionary algorithm applied to deep neural networks for supervised unsupervised learning.
result Better accuracy in document classification compared to traditional methods.

ECL improves sequence modeling by learning evolutionary structure.

problem Ignoring evolutionary structure in sequence modeling leads to suboptimal performance.
method ECL progressively exposes models to sequences of increasing evolutionary distance.
result ECL improves performance across multiple biological domains and tasks.

EAP clusters evolving data, promoting temporal smoothness and automatic cluster tracking.

problem Clustering time-evolving data with temporal smoothness and automatic cluster identification.
method Evolutionary Affinity Propagation (EAP) on a factor graph exchanging messages between adjacent data snapshots.
result EAP clusters data with temporal smoothness and automatically tracks clusters, outperforming existing methods.

MERL uses evolutionary and gradient-based methods to optimize sparse team-based and dense agent-specific rewards in multiagent coordination.

problem Training multiagent reinforcement learning policies on sparse team-based rewards is difficult and relying solely on agent-specific rewards is sub-optimal.
method MERL employs a split-level training platform with an evolutionary algorithm and a gradient-based optimizer, transferring skills between the two processes.
result MERL significantly outperforms state-of-the-art methods on coordination benchmarks.

Guided Evolutionary Strategies uses surrogate gradients to improve optimization.

problem Optimizing functions with unknown true gradients but available surrogate gradients.
method Combines random search with a search distribution elongated along surrogate gradient directions.
result Improves optimization performance over standard evolutionary strategies and first-order methods.

REBEC improves robustness of wind wave models using evolutionary techniques.

problem Improving the calibration of numerical wind wave models to local conditions.
method Robust evolutionary-based calibration approach (REBEC) for building stochastic ensemble of models.
result REBEC outperforms baseline SPEA2 in achieving a balance between model quality and robustness.

The paper improves evolutionary computation by optimizing selection rates.

problem Choosing the right selection rate in evolutionary computation.
method The paper proves mathematically that a selection rate of μ/λ leads to better progress rates and provides a theoretical basis for this.
result The theoretical selection rate μ/λ leads to a better progress rate of order O(λ^-1) compared to O(λ^-2/d).

Novel evolutionary strategy solves stochastic constrained optimization problems.

problem Optimizing objective functions with stochastic constraints in reinforcement learning.
method Design of a novel optimization algorithm with a sufficient decrease mechanism for stochastic constrained problems.
result Demonstrated convergence of the algorithm on control tasks and constrained optimization problems.

CoNES optimizes blackbox functions using convex optimization and information geometry.

problem Optimizing high-dimensional blackbox functions efficiently.
method Formulated as a convex program that adapts evolutionary strategies gradient estimates.
result Vastly outperforms conventional blackbox optimization methods on benchmarks and MuJoCo tasks.

ESGD optimizes deep neural networks using evolutionary and stochastic gradient descent methods.

problem Optimizing deep neural networks efficiently and effectively.
method Combines SGD and evolutionary algorithms, alternating between steps to improve population fitness.
result Guarantees that the best fitness in the population never degrades and optimizes across various deep architectures.

Proves FR-NGD optimally approximates evolutionary dynamics and continuous Bayesian inference.

problem Optimizing continuous time replicator equations and continuous Bayesian inference.
method Fisher-Rao natural gradient descent (FR-NGD) and its correspondence with evolutionary dynamics.
result FR-NGD optimally approximates continuous time replicator equations and continuous Bayesian inference.

Evolutionary algorithms improve neural network performance by discovering better activation functions.

problem The choice of activation function affects neural network performance, but ReLU remains dominant.
method Defined a tree-based search space of candidate activation functions and used evolutionary algorithms (mutation, crossover, exhaustive search) to explore and discover better functions.
result Replacing ReLU with evolved activation functions statistically significantly increases network accuracy.

EPFES uses evolutionary strategies for nonlinear system estimation.

problem Nonlinear system identification with unknown state vector.
method Elitist particle filter based on evolutionary strategies.
result EPFES generalizes Gaussian particle filter and improves nonlinear system estimation.

Study uses evolutionary deep learning to identify galaxies obscured by star densities.

problem Identifying galaxies in the Zone of Avoidance due to high star densities and extinction.
method Evolutionary algorithm to optimize CNN architecture for near-infrared images.
result Best evolved CNN outperforms other variants in identifying galaxies in the Zone of Avoidance.

EA-LSTM improves LSTM for time series prediction by evolving attention.

problem LSTMs struggle with assigning varying attention to sub-windows in time series data.
method Evolutionary attention-based LSTM with competitive random search.
result EA-LSTM achieves competitive performance in multivariate time series prediction.

Combines variational and evolutionary optimization for generative models.

problem Optimizing generative models with discrete latent variables.
method Truncated posteriors as variational distributions, evolutionary algorithms applied to variational parameters.
result Evolutionary algorithms effectively optimize variational bounds for generative models.

Evolutionary algorithms improve decision tree ensembles.

problem Improving predictive performance of decision trees.
method Real-valued vector representation of decision trees, evolutionary algorithms (Differential evolution, Evolution strategies).
result Proposed methods outperform classical decision tree induction algorithms.

New research connects evolutionary dynamics to Bayesian learning.

problem Connecting evolutionary biology and Bayesian learning.
method Rigorous mathematical proof using Kushner-Stratonovich equation and gradient flows.
result Discrete time filtering equations converge to Stratonovich interpretation of Kushner-Stratonovich equation.

An evolutionary game model analyzes e-commerce and traditional retail trends during the pandemic.

problem Understanding the dynamics between e-commerce and traditional retail during the pandemic.
method Developed an evolutionary game model to study consumer-producer interactions on e-commerce platforms.
result Investment in logistics and warehouses in e-commerce led to faster delivery and consumer trends.